Home / 54,724.82-82,087.24-13,171.82

Finding the Fourth Proportional to 54,724.82, 82,087.24 and 13,171.82

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Solution

The fourth proportional to 54,724.82, 82,087.24 and 13,171.82 is: 19,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,724.82 : 82,087.24 = 13,171.82 : x
  2. Step 2: Convert to fraction form
    54,724.82/82,087.24 = 13,171.82/x
  3. Step 3: Cross multiply
    54,724.82x = 82,087.24 × 13,171.82
  4. Step 4: Simplify right side
    54,724.82x = 1,081,238,349.58
  5. Step 5: Solve for x
    x = 1,081,238,349.58/54,724.82
  6. Step 6: Final answer
    x = 19,757.73

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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.