Home / 41,207.39-61,790.61-13,123.78

Finding the Fourth Proportional to 41,207.39, 61,790.61 and 13,123.78

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Solution

The fourth proportional to 41,207.39, 61,790.61 and 13,123.78 is: 19,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,207.39 : 61,790.61 = 13,123.78 : x
  2. Step 2: Convert to fraction form
    41,207.39/61,790.61 = 13,123.78/x
  3. Step 3: Cross multiply
    41,207.39x = 61,790.61 × 13,123.78
  4. Step 4: Simplify right side
    41,207.39x = 810,926,371.71
  5. Step 5: Solve for x
    x = 810,926,371.71/41,207.39
  6. Step 6: Final answer
    x = 19,679.15

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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.