Home / 31,397.60-43,329.49-17,250.80

Finding the Fourth Proportional to 31,397.60, 43,329.49 and 17,250.80

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Solution

The fourth proportional to 31,397.60, 43,329.49 and 17,250.80 is: 23,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,397.60 : 43,329.49 = 17,250.80 : x
  2. Step 2: Convert to fraction form
    31,397.60/43,329.49 = 17,250.80/x
  3. Step 3: Cross multiply
    31,397.60x = 43,329.49 × 17,250.80
  4. Step 4: Simplify right side
    31,397.60x = 747,468,366.09
  5. Step 5: Solve for x
    x = 747,468,366.09/31,397.60
  6. Step 6: Final answer
    x = 23,806.54

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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.