Home / 39,787.25-54,892.94-22,557.78

Finding the Fourth Proportional to 39,787.25, 54,892.94 and 22,557.78

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Solution

The fourth proportional to 39,787.25, 54,892.94 and 22,557.78 is: 31,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,787.25 : 54,892.94 = 22,557.78 : x
  2. Step 2: Convert to fraction form
    39,787.25/54,892.94 = 22,557.78/x
  3. Step 3: Cross multiply
    39,787.25x = 54,892.94 × 22,557.78
  4. Step 4: Simplify right side
    39,787.25x = 1,238,262,751.28
  5. Step 5: Solve for x
    x = 1,238,262,751.28/39,787.25
  6. Step 6: Final answer
    x = 31,122.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.