Home / 39,348.31-54,299.94-21,443.44

Finding the Fourth Proportional to 39,348.31, 54,299.94 and 21,443.44

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Solution

The fourth proportional to 39,348.31, 54,299.94 and 21,443.44 is: 29,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348.31 : 54,299.94 = 21,443.44 : x
  2. Step 2: Convert to fraction form
    39,348.31/54,299.94 = 21,443.44/x
  3. Step 3: Cross multiply
    39,348.31x = 54,299.94 × 21,443.44
  4. Step 4: Simplify right side
    39,348.31x = 1,164,377,505.39
  5. Step 5: Solve for x
    x = 1,164,377,505.39/39,348.31
  6. Step 6: Final answer
    x = 29,591.55

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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.