Home / 42,132.38-63,177.40-14,042.60

Finding the Fourth Proportional to 42,132.38, 63,177.40 and 14,042.60

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Solution

The fourth proportional to 42,132.38, 63,177.40 and 14,042.60 is: 21,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,132.38 : 63,177.40 = 14,042.60 : x
  2. Step 2: Convert to fraction form
    42,132.38/63,177.40 = 14,042.60/x
  3. Step 3: Cross multiply
    42,132.38x = 63,177.40 × 14,042.60
  4. Step 4: Simplify right side
    42,132.38x = 887,174,957.24
  5. Step 5: Solve for x
    x = 887,174,957.24/42,132.38
  6. Step 6: Final answer
    x = 21,056.84

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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.