Home / 20,348.30-30,522.45-17,067.80

Finding the Fourth Proportional to 20,348.30, 30,522.45 and 17,067.80

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Solution

The fourth proportional to 20,348.30, 30,522.45 and 17,067.80 is: 25,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.30 : 30,522.45 = 17,067.80 : x
  2. Step 2: Convert to fraction form
    20,348.30/30,522.45 = 17,067.80/x
  3. Step 3: Cross multiply
    20,348.30x = 30,522.45 × 17,067.80
  4. Step 4: Simplify right side
    20,348.30x = 520,951,072.11
  5. Step 5: Solve for x
    x = 520,951,072.11/20,348.30
  6. Step 6: Final answer
    x = 25,601.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.