Home / 54,871.70-82,331.32-19,358.43

Finding the Fourth Proportional to 54,871.70, 82,331.32 and 19,358.43

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Solution

The fourth proportional to 54,871.70, 82,331.32 and 19,358.43 is: 29,046.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871.70 : 82,331.32 = 19,358.43 : x
  2. Step 2: Convert to fraction form
    54,871.70/82,331.32 = 19,358.43/x
  3. Step 3: Cross multiply
    54,871.70x = 82,331.32 × 19,358.43
  4. Step 4: Simplify right side
    54,871.70x = 1,593,804,774.19
  5. Step 5: Solve for x
    x = 1,593,804,774.19/54,871.70
  6. Step 6: Final answer
    x = 29,046.03

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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.