Home / 41,309.78-61,964.55-11,727.68

Finding the Fourth Proportional to 41,309.78, 61,964.55 and 11,727.68

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Solution

The fourth proportional to 41,309.78, 61,964.55 and 11,727.68 is: 17,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,309.78 : 61,964.55 = 11,727.68 : x
  2. Step 2: Convert to fraction form
    41,309.78/61,964.55 = 11,727.68/x
  3. Step 3: Cross multiply
    41,309.78x = 61,964.55 × 11,727.68
  4. Step 4: Simplify right side
    41,309.78x = 726,700,103.92
  5. Step 5: Solve for x
    x = 726,700,103.92/41,309.78
  6. Step 6: Final answer
    x = 17,591.48

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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.