Home / 39,377.52-54,340.02-21,472.92

Finding the Fourth Proportional to 39,377.52, 54,340.02 and 21,472.92

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Solution

The fourth proportional to 39,377.52, 54,340.02 and 21,472.92 is: 29,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,377.52 : 54,340.02 = 21,472.92 : x
  2. Step 2: Convert to fraction form
    39,377.52/54,340.02 = 21,472.92/x
  3. Step 3: Cross multiply
    39,377.52x = 54,340.02 × 21,472.92
  4. Step 4: Simplify right side
    39,377.52x = 1,166,838,902.26
  5. Step 5: Solve for x
    x = 1,166,838,902.26/39,377.52
  6. Step 6: Final answer
    x = 29,632.11

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1.5x scale

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.