Home / 57,747.20-86,577.60-31,481.60

Finding the Fourth Proportional to 57,747.20, 86,577.60 and 31,481.60

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Solution

The fourth proportional to 57,747.20, 86,577.60 and 31,481.60 is: 47,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,747.20 : 86,577.60 = 31,481.60 : x
  2. Step 2: Convert to fraction form
    57,747.20/86,577.60 = 31,481.60/x
  3. Step 3: Cross multiply
    57,747.20x = 86,577.60 × 31,481.60
  4. Step 4: Simplify right side
    57,747.20x = 2,725,601,372.16
  5. Step 5: Solve for x
    x = 2,725,601,372.16/57,747.20
  6. Step 6: Final answer
    x = 47,198.85

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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.