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Finding the Fourth Proportional to 41,138.89, 61,708.12 and 9,974.14

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Solution

The fourth proportional to 41,138.89, 61,708.12 and 9,974.14 is: 14,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,138.89 : 61,708.12 = 9,974.14 : x
  2. Step 2: Convert to fraction form
    41,138.89/61,708.12 = 9,974.14/x
  3. Step 3: Cross multiply
    41,138.89x = 61,708.12 × 9,974.14
  4. Step 4: Simplify right side
    41,138.89x = 615,485,428.02
  5. Step 5: Solve for x
    x = 615,485,428.02/41,138.89
  6. Step 6: Final answer
    x = 14,961.16

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1.5x scale

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.