Home / 49,404.52-74,084.10-21,311.11

Finding the Fourth Proportional to 49,404.52, 74,084.10 and 21,311.11

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Solution

The fourth proportional to 49,404.52, 74,084.10 and 21,311.11 is: 31,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,404.52 : 74,084.10 = 21,311.11 : x
  2. Step 2: Convert to fraction form
    49,404.52/74,084.10 = 21,311.11/x
  3. Step 3: Cross multiply
    49,404.52x = 74,084.10 × 21,311.11
  4. Step 4: Simplify right side
    49,404.52x = 1,578,814,404.35
  5. Step 5: Solve for x
    x = 1,578,814,404.35/49,404.52
  6. Step 6: Final answer
    x = 31,956.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.