proportions
4/21=x/168
cross-multiply
21x = 4(168)
21x = 672
x = 672/21 = 32
Post it.
To solve this proportion, you can cross-multiply and solve for x. Here are the steps:
1. Cross-multiply: Multiply the numerator of the first fraction by the denominator of the second fraction, and vice versa.
(4 * 168) = (x * 21)
2. Solve for x: Divide both sides of the equation by 21 to isolate x.
x = (4 * 168) / 21
3. Simplify and compute the value of x:
x = 672 / 21
x = 32
Therefore, the value of x in the proportion 4/21 = x/168 is 32.