Home / 39,377.00-54,340.07-21,471.95

Finding the Fourth Proportional to 39,377.00, 54,340.07 and 21,471.95

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Solution

The fourth proportional to 39,377.00, 54,340.07 and 21,471.95 is: 29,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,377.00 : 54,340.07 = 21,471.95 : x
  2. Step 2: Convert to fraction form
    39,377.00/54,340.07 = 21,471.95/x
  3. Step 3: Cross multiply
    39,377.00x = 54,340.07 × 21,471.95
  4. Step 4: Simplify right side
    39,377.00x = 1,166,787,294.53
  5. Step 5: Solve for x
    x = 1,166,787,294.53/39,377.00
  6. Step 6: Final answer
    x = 29,631.19

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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.