Home / 54,132.60-81,285.30-39,444.60

Finding the Fourth Proportional to 54,132.60, 81,285.30 and 39,444.60

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Solution

The fourth proportional to 54,132.60, 81,285.30 and 39,444.60 is: 59,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,132.60 : 81,285.30 = 39,444.60 : x
  2. Step 2: Convert to fraction form
    54,132.60/81,285.30 = 39,444.60/x
  3. Step 3: Cross multiply
    54,132.60x = 81,285.30 × 39,444.60
  4. Step 4: Simplify right side
    54,132.60x = 3,206,266,144.38
  5. Step 5: Solve for x
    x = 3,206,266,144.38/54,132.60
  6. Step 6: Final answer
    x = 59,229.86

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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.