Home / 47,382.25-71,049.61-15,781.20

Finding the Fourth Proportional to 47,382.25, 71,049.61 and 15,781.20

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Solution

The fourth proportional to 47,382.25, 71,049.61 and 15,781.20 is: 23,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,382.25 : 71,049.61 = 15,781.20 : x
  2. Step 2: Convert to fraction form
    47,382.25/71,049.61 = 15,781.20/x
  3. Step 3: Cross multiply
    47,382.25x = 71,049.61 × 15,781.20
  4. Step 4: Simplify right side
    47,382.25x = 1,121,248,361.90
  5. Step 5: Solve for x
    x = 1,121,248,361.90/47,382.25
  6. Step 6: Final answer
    x = 23,663.89

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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.