Home / 29,139.68-40,217.92-17,202.24

Finding the Fourth Proportional to 29,139.68, 40,217.92 and 17,202.24

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Solution

The fourth proportional to 29,139.68, 40,217.92 and 17,202.24 is: 23,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.68 : 40,217.92 = 17,202.24 : x
  2. Step 2: Convert to fraction form
    29,139.68/40,217.92 = 17,202.24/x
  3. Step 3: Cross multiply
    29,139.68x = 40,217.92 × 17,202.24
  4. Step 4: Simplify right side
    29,139.68x = 691,838,312.14
  5. Step 5: Solve for x
    x = 691,838,312.14/29,139.68
  6. Step 6: Final answer
    x = 23,742.14

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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.