Home / 29,105.25-40,163.36-17,165.85

Finding the Fourth Proportional to 29,105.25, 40,163.36 and 17,165.85

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Solution

The fourth proportional to 29,105.25, 40,163.36 and 17,165.85 is: 23,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.25 : 40,163.36 = 17,165.85 : x
  2. Step 2: Convert to fraction form
    29,105.25/40,163.36 = 17,165.85/x
  3. Step 3: Cross multiply
    29,105.25x = 40,163.36 × 17,165.85
  4. Step 4: Simplify right side
    29,105.25x = 689,438,127.43
  5. Step 5: Solve for x
    x = 689,438,127.43/29,105.25
  6. Step 6: Final answer
    x = 23,687.76

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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.