Home / 57,517.20-86,340.60-44,427.60

Finding the Fourth Proportional to 57,517.20, 86,340.60 and 44,427.60

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Solution

The fourth proportional to 57,517.20, 86,340.60 and 44,427.60 is: 66,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,517.20 : 86,340.60 = 44,427.60 : x
  2. Step 2: Convert to fraction form
    57,517.20/86,340.60 = 44,427.60/x
  3. Step 3: Cross multiply
    57,517.20x = 86,340.60 × 44,427.60
  4. Step 4: Simplify right side
    57,517.20x = 3,835,905,640.56
  5. Step 5: Solve for x
    x = 3,835,905,640.56/57,517.20
  6. Step 6: Final answer
    x = 66,691.45

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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.