Home / 42,505.11-63,757.80-15,845.58

Finding the Fourth Proportional to 42,505.11, 63,757.80 and 15,845.58

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Solution

The fourth proportional to 42,505.11, 63,757.80 and 15,845.58 is: 23,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,505.11 : 63,757.80 = 15,845.58 : x
  2. Step 2: Convert to fraction form
    42,505.11/63,757.80 = 15,845.58/x
  3. Step 3: Cross multiply
    42,505.11x = 63,757.80 × 15,845.58
  4. Step 4: Simplify right side
    42,505.11x = 1,010,279,320.52
  5. Step 5: Solve for x
    x = 1,010,279,320.52/42,505.11
  6. Step 6: Final answer
    x = 23,768.42

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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.