Home / 29,543.89-40,770.56-16,115.20

Finding the Fourth Proportional to 29,543.89, 40,770.56 and 16,115.20

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Solution

The fourth proportional to 29,543.89, 40,770.56 and 16,115.20 is: 22,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,543.89 : 40,770.56 = 16,115.20 : x
  2. Step 2: Convert to fraction form
    29,543.89/40,770.56 = 16,115.20/x
  3. Step 3: Cross multiply
    29,543.89x = 40,770.56 × 16,115.20
  4. Step 4: Simplify right side
    29,543.89x = 657,025,805.56
  5. Step 5: Solve for x
    x = 657,025,805.56/29,543.89
  6. Step 6: Final answer
    x = 22,238.97

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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.