Home / 39,531.26-54,553.80-21,626.39

Finding the Fourth Proportional to 39,531.26, 54,553.80 and 21,626.39

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Solution

The fourth proportional to 39,531.26, 54,553.80 and 21,626.39 is: 29,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.26 : 54,553.80 = 21,626.39 : x
  2. Step 2: Convert to fraction form
    39,531.26/54,553.80 = 21,626.39/x
  3. Step 3: Cross multiply
    39,531.26x = 54,553.80 × 21,626.39
  4. Step 4: Simplify right side
    39,531.26x = 1,179,801,482.01
  5. Step 5: Solve for x
    x = 1,179,801,482.01/39,531.26
  6. Step 6: Final answer
    x = 29,844.78

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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.