Home / 31,474.98-47,209.11-19,753.38

Finding the Fourth Proportional to 31,474.98, 47,209.11 and 19,753.38

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Solution

The fourth proportional to 31,474.98, 47,209.11 and 19,753.38 is: 29,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.98 : 47,209.11 = 19,753.38 : x
  2. Step 2: Convert to fraction form
    31,474.98/47,209.11 = 19,753.38/x
  3. Step 3: Cross multiply
    31,474.98x = 47,209.11 × 19,753.38
  4. Step 4: Simplify right side
    31,474.98x = 932,539,489.29
  5. Step 5: Solve for x
    x = 932,539,489.29/31,474.98
  6. Step 6: Final answer
    x = 29,627.96

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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.