Home / 29,440.14-40,618.38-16,691.28

Finding the Fourth Proportional to 29,440.14, 40,618.38 and 16,691.28

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Solution

The fourth proportional to 29,440.14, 40,618.38 and 16,691.28 is: 23,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,440.14 : 40,618.38 = 16,691.28 : x
  2. Step 2: Convert to fraction form
    29,440.14/40,618.38 = 16,691.28/x
  3. Step 3: Cross multiply
    29,440.14x = 40,618.38 × 16,691.28
  4. Step 4: Simplify right side
    29,440.14x = 677,972,753.73
  5. Step 5: Solve for x
    x = 677,972,753.73/29,440.14
  6. Step 6: Final answer
    x = 23,028.86

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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.