Home / 40,658.10-61,013.17-21,951.18

Finding the Fourth Proportional to 40,658.10, 61,013.17 and 21,951.18

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Solution

The fourth proportional to 40,658.10, 61,013.17 and 21,951.18 is: 32,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,658.10 : 61,013.17 = 21,951.18 : x
  2. Step 2: Convert to fraction form
    40,658.10/61,013.17 = 21,951.18/x
  3. Step 3: Cross multiply
    40,658.10x = 61,013.17 × 21,951.18
  4. Step 4: Simplify right side
    40,658.10x = 1,339,310,771.97
  5. Step 5: Solve for x
    x = 1,339,310,771.97/40,658.10
  6. Step 6: Final answer
    x = 32,940.81

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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.