Home / 29,061.14-40,119.18-20,569.91

Finding the Fourth Proportional to 29,061.14, 40,119.18 and 20,569.91

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Solution

The fourth proportional to 29,061.14, 40,119.18 and 20,569.91 is: 28,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,061.14 : 40,119.18 = 20,569.91 : x
  2. Step 2: Convert to fraction form
    29,061.14/40,119.18 = 20,569.91/x
  3. Step 3: Cross multiply
    29,061.14x = 40,119.18 × 20,569.91
  4. Step 4: Simplify right side
    29,061.14x = 825,247,921.87
  5. Step 5: Solve for x
    x = 825,247,921.87/29,061.14
  6. Step 6: Final answer
    x = 28,396.96

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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.