Home / 41,965.26-62,938.20-11,978.92

Finding the Fourth Proportional to 41,965.26, 62,938.20 and 11,978.92

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Solution

The fourth proportional to 41,965.26, 62,938.20 and 11,978.92 is: 17,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,965.26 : 62,938.20 = 11,978.92 : x
  2. Step 2: Convert to fraction form
    41,965.26/62,938.20 = 11,978.92/x
  3. Step 3: Cross multiply
    41,965.26x = 62,938.20 × 11,978.92
  4. Step 4: Simplify right side
    41,965.26x = 753,931,662.74
  5. Step 5: Solve for x
    x = 753,931,662.74/41,965.26
  6. Step 6: Final answer
    x = 17,965.61

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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.