Home / 31,691.18-47,543.98-16,892.30

Finding the Fourth Proportional to 31,691.18, 47,543.98 and 16,892.30

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Solution

The fourth proportional to 31,691.18, 47,543.98 and 16,892.30 is: 25,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,691.18 : 47,543.98 = 16,892.30 : x
  2. Step 2: Convert to fraction form
    31,691.18/47,543.98 = 16,892.30/x
  3. Step 3: Cross multiply
    31,691.18x = 47,543.98 × 16,892.30
  4. Step 4: Simplify right side
    31,691.18x = 803,127,173.35
  5. Step 5: Solve for x
    x = 803,127,173.35/31,691.18
  6. Step 6: Final answer
    x = 25,342.29

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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.