Home / 54,414.39-81,572.37-19,345.85

Finding the Fourth Proportional to 54,414.39, 81,572.37 and 19,345.85

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Solution

The fourth proportional to 54,414.39, 81,572.37 and 19,345.85 is: 29,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,414.39 : 81,572.37 = 19,345.85 : x
  2. Step 2: Convert to fraction form
    54,414.39/81,572.37 = 19,345.85/x
  3. Step 3: Cross multiply
    54,414.39x = 81,572.37 × 19,345.85
  4. Step 4: Simplify right side
    54,414.39x = 1,578,086,426.30
  5. Step 5: Solve for x
    x = 1,578,086,426.30/54,414.39
  6. Step 6: Final answer
    x = 29,001.27

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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.