Home / 39,531.26-54,553.55-21,625.88

Finding the Fourth Proportional to 39,531.26, 54,553.55 and 21,625.88

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Solution

The fourth proportional to 39,531.26, 54,553.55 and 21,625.88 is: 29,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.26 : 54,553.55 = 21,625.88 : x
  2. Step 2: Convert to fraction form
    39,531.26/54,553.55 = 21,625.88/x
  3. Step 3: Cross multiply
    39,531.26x = 54,553.55 × 21,625.88
  4. Step 4: Simplify right side
    39,531.26x = 1,179,768,144.98
  5. Step 5: Solve for x
    x = 1,179,768,144.98/39,531.26
  6. Step 6: Final answer
    x = 29,843.93

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1.5x scale

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.