Home / 71,834.67-107,743.10-19,247.85

Finding the Fourth Proportional to 71,834.67, 107,743.10 and 19,247.85

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Solution

The fourth proportional to 71,834.67, 107,743.10 and 19,247.85 is: 28,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,834.67 : 107,743.10 = 19,247.85 : x
  2. Step 2: Convert to fraction form
    71,834.67/107,743.10 = 19,247.85/x
  3. Step 3: Cross multiply
    71,834.67x = 107,743.10 × 19,247.85
  4. Step 4: Simplify right side
    71,834.67x = 2,073,822,931.10
  5. Step 5: Solve for x
    x = 2,073,822,931.10/71,834.67
  6. Step 6: Final answer
    x = 28,869.39

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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.