Home / 36,089.28-49,781.28-21,951.84

Finding the Fourth Proportional to 36,089.28, 49,781.28 and 21,951.84

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Solution

The fourth proportional to 36,089.28, 49,781.28 and 21,951.84 is: 30,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,089.28 : 49,781.28 = 21,951.84 : x
  2. Step 2: Convert to fraction form
    36,089.28/49,781.28 = 21,951.84/x
  3. Step 3: Cross multiply
    36,089.28x = 49,781.28 × 21,951.84
  4. Step 4: Simplify right side
    36,089.28x = 1,092,790,693.56
  5. Step 5: Solve for x
    x = 1,092,790,693.56/36,089.28
  6. Step 6: Final answer
    x = 30,280.20

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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.