Home / 40,286.52-55,592.35-22,380

Finding the Fourth Proportional to 40,286.52, 55,592.35 and 22,380

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Solution

The fourth proportional to 40,286.52, 55,592.35 and 22,380 is: 30,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.52 : 55,592.35 = 22,380 : x
  2. Step 2: Convert to fraction form
    40,286.52/55,592.35 = 22,380/x
  3. Step 3: Cross multiply
    40,286.52x = 55,592.35 × 22,380
  4. Step 4: Simplify right side
    40,286.52x = 1,244,156,793
  5. Step 5: Solve for x
    x = 1,244,156,793/40,286.52
  6. Step 6: Final answer
    x = 30,882.71

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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.