Home / 40,830.38-61,254.31-14,177.20

Finding the Fourth Proportional to 40,830.38, 61,254.31 and 14,177.20

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Solution

The fourth proportional to 40,830.38, 61,254.31 and 14,177.20 is: 21,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,830.38 : 61,254.31 = 14,177.20 : x
  2. Step 2: Convert to fraction form
    40,830.38/61,254.31 = 14,177.20/x
  3. Step 3: Cross multiply
    40,830.38x = 61,254.31 × 14,177.20
  4. Step 4: Simplify right side
    40,830.38x = 868,414,603.73
  5. Step 5: Solve for x
    x = 868,414,603.73/40,830.38
  6. Step 6: Final answer
    x = 21,268.83

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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.