Home / 41,268.92-61,902.20-11,686.68

Finding the Fourth Proportional to 41,268.92, 61,902.20 and 11,686.68

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Solution

The fourth proportional to 41,268.92, 61,902.20 and 11,686.68 is: 17,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,268.92 : 61,902.20 = 11,686.68 : x
  2. Step 2: Convert to fraction form
    41,268.92/61,902.20 = 11,686.68/x
  3. Step 3: Cross multiply
    41,268.92x = 61,902.20 × 11,686.68
  4. Step 4: Simplify right side
    41,268.92x = 723,431,299.02
  5. Step 5: Solve for x
    x = 723,431,299.02/41,268.92
  6. Step 6: Final answer
    x = 17,529.69

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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.