Home / 49,834.10-68,732.17-31,930.78

Finding the Fourth Proportional to 49,834.10, 68,732.17 and 31,930.78

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Solution

The fourth proportional to 49,834.10, 68,732.17 and 31,930.78 is: 44,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,834.10 : 68,732.17 = 31,930.78 : x
  2. Step 2: Convert to fraction form
    49,834.10/68,732.17 = 31,930.78/x
  3. Step 3: Cross multiply
    49,834.10x = 68,732.17 × 31,930.78
  4. Step 4: Simplify right side
    49,834.10x = 2,194,671,799.19
  5. Step 5: Solve for x
    x = 2,194,671,799.19/49,834.10
  6. Step 6: Final answer
    x = 44,039.56

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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.