Home / 29,089.92-40,142.16-16,168.48

Finding the Fourth Proportional to 29,089.92, 40,142.16 and 16,168.48

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Solution

The fourth proportional to 29,089.92, 40,142.16 and 16,168.48 is: 22,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.92 : 40,142.16 = 16,168.48 : x
  2. Step 2: Convert to fraction form
    29,089.92/40,142.16 = 16,168.48/x
  3. Step 3: Cross multiply
    29,089.92x = 40,142.16 × 16,168.48
  4. Step 4: Simplify right side
    29,089.92x = 649,037,711.12
  5. Step 5: Solve for x
    x = 649,037,711.12/29,089.92
  6. Step 6: Final answer
    x = 22,311.43

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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.