Home / 41,451.40-62,186.64-11,869.48

Finding the Fourth Proportional to 41,451.40, 62,186.64 and 11,869.48

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Solution

The fourth proportional to 41,451.40, 62,186.64 and 11,869.48 is: 17,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,451.40 : 62,186.64 = 11,869.48 : x
  2. Step 2: Convert to fraction form
    41,451.40/62,186.64 = 11,869.48/x
  3. Step 3: Cross multiply
    41,451.40x = 62,186.64 × 11,869.48
  4. Step 4: Simplify right side
    41,451.40x = 738,123,079.75
  5. Step 5: Solve for x
    x = 738,123,079.75/41,451.40
  6. Step 6: Final answer
    x = 17,806.95

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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.