Home / 29,131.60-40,204.20-16,560.40

Finding the Fourth Proportional to 29,131.60, 40,204.20 and 16,560.40

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Solution

The fourth proportional to 29,131.60, 40,204.20 and 16,560.40 is: 22,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131.60 : 40,204.20 = 16,560.40 : x
  2. Step 2: Convert to fraction form
    29,131.60/40,204.20 = 16,560.40/x
  3. Step 3: Cross multiply
    29,131.60x = 40,204.20 × 16,560.40
  4. Step 4: Simplify right side
    29,131.60x = 665,797,633.68
  5. Step 5: Solve for x
    x = 665,797,633.68/29,131.60
  6. Step 6: Final answer
    x = 22,854.83

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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.