Home / 29,760.92-41,061.76-21,265.64

Finding the Fourth Proportional to 29,760.92, 41,061.76 and 21,265.64

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Solution

The fourth proportional to 29,760.92, 41,061.76 and 21,265.64 is: 29,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,760.92 : 41,061.76 = 21,265.64 : x
  2. Step 2: Convert to fraction form
    29,760.92/41,061.76 = 21,265.64/x
  3. Step 3: Cross multiply
    29,760.92x = 41,061.76 × 21,265.64
  4. Step 4: Simplify right side
    29,760.92x = 873,204,605.93
  5. Step 5: Solve for x
    x = 873,204,605.93/29,760.92
  6. Step 6: Final answer
    x = 29,340.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.