Home / 54,761.33-82,110.55-21,442.38

Finding the Fourth Proportional to 54,761.33, 82,110.55 and 21,442.38

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Solution

The fourth proportional to 54,761.33, 82,110.55 and 21,442.38 is: 32,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,761.33 : 82,110.55 = 21,442.38 : x
  2. Step 2: Convert to fraction form
    54,761.33/82,110.55 = 21,442.38/x
  3. Step 3: Cross multiply
    54,761.33x = 82,110.55 × 21,442.38
  4. Step 4: Simplify right side
    54,761.33x = 1,760,645,755.66
  5. Step 5: Solve for x
    x = 1,760,645,755.66/54,761.33
  6. Step 6: Final answer
    x = 32,151.26

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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.