Home / 42,481.80-63,714.18-40,374.18

Finding the Fourth Proportional to 42,481.80, 63,714.18 and 40,374.18

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Solution

The fourth proportional to 42,481.80, 63,714.18 and 40,374.18 is: 60,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,481.80 : 63,714.18 = 40,374.18 : x
  2. Step 2: Convert to fraction form
    42,481.80/63,714.18 = 40,374.18/x
  3. Step 3: Cross multiply
    42,481.80x = 63,714.18 × 40,374.18
  4. Step 4: Simplify right side
    42,481.80x = 2,572,407,771.87
  5. Step 5: Solve for x
    x = 2,572,407,771.87/42,481.80
  6. Step 6: Final answer
    x = 60,553.17

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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.