Home / 41,015.28-61,521.78-11,431.92

Finding the Fourth Proportional to 41,015.28, 61,521.78 and 11,431.92

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Solution

The fourth proportional to 41,015.28, 61,521.78 and 11,431.92 is: 17,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,015.28 : 61,521.78 = 11,431.92 : x
  2. Step 2: Convert to fraction form
    41,015.28/61,521.78 = 11,431.92/x
  3. Step 3: Cross multiply
    41,015.28x = 61,521.78 × 11,431.92
  4. Step 4: Simplify right side
    41,015.28x = 703,312,067.22
  5. Step 5: Solve for x
    x = 703,312,067.22/41,015.28
  6. Step 6: Final answer
    x = 17,147.56

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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.