Question

solve for m in the proportion.
\frac{40}{m} = \frac{56}{21}

m = \square

Explanation:

Step1: Cross-multiply the proportion

$40 \times 21 = 56 \times m$

Step2: Calculate left-hand side product

$840 = 56m$

Step3: Isolate m by dividing by 56

$m = \frac{840}{56}$

Step4: Simplify the fraction

$m = 11.25$

Answer:

11.25