Home / 39,531.16-54,552.26-21,626

Finding the Fourth Proportional to 39,531.16, 54,552.26 and 21,626

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Solution

The fourth proportional to 39,531.16, 54,552.26 and 21,626 is: 29,843.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.16 : 54,552.26 = 21,626 : x
  2. Step 2: Convert to fraction form
    39,531.16/54,552.26 = 21,626/x
  3. Step 3: Cross multiply
    39,531.16x = 54,552.26 × 21,626
  4. Step 4: Simplify right side
    39,531.16x = 1,179,747,174.76
  5. Step 5: Solve for x
    x = 1,179,747,174.76/39,531.16
  6. Step 6: Final answer
    x = 29,843.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.