Home / 39,965.96-59,948.94-20,250.15

Finding the Fourth Proportional to 39,965.96, 59,948.94 and 20,250.15

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Solution

The fourth proportional to 39,965.96, 59,948.94 and 20,250.15 is: 30,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.96 : 59,948.94 = 20,250.15 : x
  2. Step 2: Convert to fraction form
    39,965.96/59,948.94 = 20,250.15/x
  3. Step 3: Cross multiply
    39,965.96x = 59,948.94 × 20,250.15
  4. Step 4: Simplify right side
    39,965.96x = 1,213,975,215.68
  5. Step 5: Solve for x
    x = 1,213,975,215.68/39,965.96
  6. Step 6: Final answer
    x = 30,375.23

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.