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Finding the Fourth Proportional to 41,884.97, 62,835.12 and 13,806.68

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Solution

The fourth proportional to 41,884.97, 62,835.12 and 13,806.68 is: 20,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,884.97 : 62,835.12 = 13,806.68 : x
  2. Step 2: Convert to fraction form
    41,884.97/62,835.12 = 13,806.68/x
  3. Step 3: Cross multiply
    41,884.97x = 62,835.12 × 13,806.68
  4. Step 4: Simplify right side
    41,884.97x = 867,544,080.43
  5. Step 5: Solve for x
    x = 867,544,080.43/41,884.97
  6. Step 6: Final answer
    x = 20,712.54

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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.