Home / 38,747.20-58,077.60-22,115.20

Finding the Fourth Proportional to 38,747.20, 58,077.60 and 22,115.20

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Solution

The fourth proportional to 38,747.20, 58,077.60 and 22,115.20 is: 33,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.20 : 58,077.60 = 22,115.20 : x
  2. Step 2: Convert to fraction form
    38,747.20/58,077.60 = 22,115.20/x
  3. Step 3: Cross multiply
    38,747.20x = 58,077.60 × 22,115.20
  4. Step 4: Simplify right side
    38,747.20x = 1,284,397,739.52
  5. Step 5: Solve for x
    x = 1,284,397,739.52/38,747.20
  6. Step 6: Final answer
    x = 33,148.14

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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.