Home / 54,872.12-82,331.94-19,358.85

Finding the Fourth Proportional to 54,872.12, 82,331.94 and 19,358.85

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Solution

The fourth proportional to 54,872.12, 82,331.94 and 19,358.85 is: 29,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,872.12 : 82,331.94 = 19,358.85 : x
  2. Step 2: Convert to fraction form
    54,872.12/82,331.94 = 19,358.85/x
  3. Step 3: Cross multiply
    54,872.12x = 82,331.94 × 19,358.85
  4. Step 4: Simplify right side
    54,872.12x = 1,593,851,594.89
  5. Step 5: Solve for x
    x = 1,593,851,594.89/54,872.12
  6. Step 6: Final answer
    x = 29,046.66

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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.