Home / 40,591.85-60,872.22-19,518.57

Finding the Fourth Proportional to 40,591.85, 60,872.22 and 19,518.57

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Solution

The fourth proportional to 40,591.85, 60,872.22 and 19,518.57 is: 29,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,591.85 : 60,872.22 = 19,518.57 : x
  2. Step 2: Convert to fraction form
    40,591.85/60,872.22 = 19,518.57/x
  3. Step 3: Cross multiply
    40,591.85x = 60,872.22 × 19,518.57
  4. Step 4: Simplify right side
    40,591.85x = 1,188,138,687.13
  5. Step 5: Solve for x
    x = 1,188,138,687.13/40,591.85
  6. Step 6: Final answer
    x = 29,270.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.