Home / 42,487.38-63,729.63-16,191.18

Finding the Fourth Proportional to 42,487.38, 63,729.63 and 16,191.18

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Solution

The fourth proportional to 42,487.38, 63,729.63 and 16,191.18 is: 24,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,487.38 : 63,729.63 = 16,191.18 : x
  2. Step 2: Convert to fraction form
    42,487.38/63,729.63 = 16,191.18/x
  3. Step 3: Cross multiply
    42,487.38x = 63,729.63 × 16,191.18
  4. Step 4: Simplify right side
    42,487.38x = 1,031,857,910.66
  5. Step 5: Solve for x
    x = 1,031,857,910.66/42,487.38
  6. Step 6: Final answer
    x = 24,286.22

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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.