Home / 29,431.13-40,614.21-16,002.09

Finding the Fourth Proportional to 29,431.13, 40,614.21 and 16,002.09

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Solution

The fourth proportional to 29,431.13, 40,614.21 and 16,002.09 is: 22,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,431.13 : 40,614.21 = 16,002.09 : x
  2. Step 2: Convert to fraction form
    29,431.13/40,614.21 = 16,002.09/x
  3. Step 3: Cross multiply
    29,431.13x = 40,614.21 × 16,002.09
  4. Step 4: Simplify right side
    29,431.13x = 649,912,243.70
  5. Step 5: Solve for x
    x = 649,912,243.70/29,431.13
  6. Step 6: Final answer
    x = 22,082.48

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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.