Home / 41,963.40-62,945.64-12,381.66

Finding the Fourth Proportional to 41,963.40, 62,945.64 and 12,381.66

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Solution

The fourth proportional to 41,963.40, 62,945.64 and 12,381.66 is: 18,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,963.40 : 62,945.64 = 12,381.66 : x
  2. Step 2: Convert to fraction form
    41,963.40/62,945.64 = 12,381.66/x
  3. Step 3: Cross multiply
    41,963.40x = 62,945.64 × 12,381.66
  4. Step 4: Simplify right side
    41,963.40x = 779,371,512.96
  5. Step 5: Solve for x
    x = 779,371,512.96/41,963.40
  6. Step 6: Final answer
    x = 18,572.65

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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.