Home / 41,128.15-61,691.98-11,546.01

Finding the Fourth Proportional to 41,128.15, 61,691.98 and 11,546.01

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Solution

The fourth proportional to 41,128.15, 61,691.98 and 11,546.01 is: 17,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,128.15 : 61,691.98 = 11,546.01 : x
  2. Step 2: Convert to fraction form
    41,128.15/61,691.98 = 11,546.01/x
  3. Step 3: Cross multiply
    41,128.15x = 61,691.98 × 11,546.01
  4. Step 4: Simplify right side
    41,128.15x = 712,296,218.00
  5. Step 5: Solve for x
    x = 712,296,218.00/41,128.15
  6. Step 6: Final answer
    x = 17,318.95

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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.