Home / 29,531.12-40,752.24-16,101.84

Finding the Fourth Proportional to 29,531.12, 40,752.24 and 16,101.84

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Solution

The fourth proportional to 29,531.12, 40,752.24 and 16,101.84 is: 22,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.12 : 40,752.24 = 16,101.84 : x
  2. Step 2: Convert to fraction form
    29,531.12/40,752.24 = 16,101.84/x
  3. Step 3: Cross multiply
    29,531.12x = 40,752.24 × 16,101.84
  4. Step 4: Simplify right side
    29,531.12x = 656,186,048.12
  5. Step 5: Solve for x
    x = 656,186,048.12/29,531.12
  6. Step 6: Final answer
    x = 22,220.15

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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.