Home / 38,229.20-57,343.80-29,481.20

Finding the Fourth Proportional to 38,229.20, 57,343.80 and 29,481.20

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Solution

The fourth proportional to 38,229.20, 57,343.80 and 29,481.20 is: 44,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,229.20 : 57,343.80 = 29,481.20 : x
  2. Step 2: Convert to fraction form
    38,229.20/57,343.80 = 29,481.20/x
  3. Step 3: Cross multiply
    38,229.20x = 57,343.80 × 29,481.20
  4. Step 4: Simplify right side
    38,229.20x = 1,690,564,036.56
  5. Step 5: Solve for x
    x = 1,690,564,036.56/38,229.20
  6. Step 6: Final answer
    x = 44,221.80

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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.