Home / 54,340.38-81,494.76-21,053.04

Finding the Fourth Proportional to 54,340.38, 81,494.76 and 21,053.04

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Solution

The fourth proportional to 54,340.38, 81,494.76 and 21,053.04 is: 31,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,340.38 : 81,494.76 = 21,053.04 : x
  2. Step 2: Convert to fraction form
    54,340.38/81,494.76 = 21,053.04/x
  3. Step 3: Cross multiply
    54,340.38x = 81,494.76 × 21,053.04
  4. Step 4: Simplify right side
    54,340.38x = 1,715,712,442.07
  5. Step 5: Solve for x
    x = 1,715,712,442.07/54,340.38
  6. Step 6: Final answer
    x = 31,573.43

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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.