Home / 31,540.26-43,523.58-18,102.06

Finding the Fourth Proportional to 31,540.26, 43,523.58 and 18,102.06

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Solution

The fourth proportional to 31,540.26, 43,523.58 and 18,102.06 is: 24,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.26 : 43,523.58 = 18,102.06 : x
  2. Step 2: Convert to fraction form
    31,540.26/43,523.58 = 18,102.06/x
  3. Step 3: Cross multiply
    31,540.26x = 43,523.58 × 18,102.06
  4. Step 4: Simplify right side
    31,540.26x = 787,866,456.57
  5. Step 5: Solve for x
    x = 787,866,456.57/31,540.26
  6. Step 6: Final answer
    x = 24,979.71

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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.