Home / 54,942.73-82,414.19-19,874.18

Finding the Fourth Proportional to 54,942.73, 82,414.19 and 19,874.18

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Solution

The fourth proportional to 54,942.73, 82,414.19 and 19,874.18 is: 29,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.73 : 82,414.19 = 19,874.18 : x
  2. Step 2: Convert to fraction form
    54,942.73/82,414.19 = 19,874.18/x
  3. Step 3: Cross multiply
    54,942.73x = 82,414.19 × 19,874.18
  4. Step 4: Simplify right side
    54,942.73x = 1,637,914,702.34
  5. Step 5: Solve for x
    x = 1,637,914,702.34/54,942.73
  6. Step 6: Final answer
    x = 29,811.31

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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.