Home / 54,982.98-82,434.09-17,521.47

Finding the Fourth Proportional to 54,982.98, 82,434.09 and 17,521.47

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Solution

The fourth proportional to 54,982.98, 82,434.09 and 17,521.47 is: 26,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,982.98 : 82,434.09 = 17,521.47 : x
  2. Step 2: Convert to fraction form
    54,982.98/82,434.09 = 17,521.47/x
  3. Step 3: Cross multiply
    54,982.98x = 82,434.09 × 17,521.47
  4. Step 4: Simplify right side
    54,982.98x = 1,444,366,434.91
  5. Step 5: Solve for x
    x = 1,444,366,434.91/54,982.98
  6. Step 6: Final answer
    x = 26,269.34

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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.