Home / 29,891.50-41,270.11-18,577.89

Finding the Fourth Proportional to 29,891.50, 41,270.11 and 18,577.89

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Solution

The fourth proportional to 29,891.50, 41,270.11 and 18,577.89 is: 25,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,891.50 : 41,270.11 = 18,577.89 : x
  2. Step 2: Convert to fraction form
    29,891.50/41,270.11 = 18,577.89/x
  3. Step 3: Cross multiply
    29,891.50x = 41,270.11 × 18,577.89
  4. Step 4: Simplify right side
    29,891.50x = 766,711,517.42
  5. Step 5: Solve for x
    x = 766,711,517.42/29,891.50
  6. Step 6: Final answer
    x = 25,649.82

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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.