Home / 29,531.28-40,752.20-16,102.16

Finding the Fourth Proportional to 29,531.28, 40,752.20 and 16,102.16

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Solution

The fourth proportional to 29,531.28, 40,752.20 and 16,102.16 is: 22,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.28 : 40,752.20 = 16,102.16 : x
  2. Step 2: Convert to fraction form
    29,531.28/40,752.20 = 16,102.16/x
  3. Step 3: Cross multiply
    29,531.28x = 40,752.20 × 16,102.16
  4. Step 4: Simplify right side
    29,531.28x = 656,198,444.75
  5. Step 5: Solve for x
    x = 656,198,444.75/29,531.28
  6. Step 6: Final answer
    x = 22,220.45

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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.