Home / 41,899.20-62,869.28-19,714.78

Finding the Fourth Proportional to 41,899.20, 62,869.28 and 19,714.78

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Solution

The fourth proportional to 41,899.20, 62,869.28 and 19,714.78 is: 29,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,899.20 : 62,869.28 = 19,714.78 : x
  2. Step 2: Convert to fraction form
    41,899.20/62,869.28 = 19,714.78/x
  3. Step 3: Cross multiply
    41,899.20x = 62,869.28 × 19,714.78
  4. Step 4: Simplify right side
    41,899.20x = 1,239,454,023.96
  5. Step 5: Solve for x
    x = 1,239,454,023.96/41,899.20
  6. Step 6: Final answer
    x = 29,581.81

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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.