Home / 42,446.10-63,669.15-40,805.85

Finding the Fourth Proportional to 42,446.10, 63,669.15 and 40,805.85

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Solution

The fourth proportional to 42,446.10, 63,669.15 and 40,805.85 is: 61,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,446.10 : 63,669.15 = 40,805.85 : x
  2. Step 2: Convert to fraction form
    42,446.10/63,669.15 = 40,805.85/x
  3. Step 3: Cross multiply
    42,446.10x = 63,669.15 × 40,805.85
  4. Step 4: Simplify right side
    42,446.10x = 2,598,073,784.53
  5. Step 5: Solve for x
    x = 2,598,073,784.53/42,446.10
  6. Step 6: Final answer
    x = 61,208.78

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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.