Home / 39,938.27-55,063.65-32,742.12

Finding the Fourth Proportional to 39,938.27, 55,063.65 and 32,742.12

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Solution

The fourth proportional to 39,938.27, 55,063.65 and 32,742.12 is: 45,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.27 : 55,063.65 = 32,742.12 : x
  2. Step 2: Convert to fraction form
    39,938.27/55,063.65 = 32,742.12/x
  3. Step 3: Cross multiply
    39,938.27x = 55,063.65 × 32,742.12
  4. Step 4: Simplify right side
    39,938.27x = 1,802,900,781.04
  5. Step 5: Solve for x
    x = 1,802,900,781.04/39,938.27
  6. Step 6: Final answer
    x = 45,142.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.