Home / 20,342.80-30,514.20-17,062.30

Finding the Fourth Proportional to 20,342.80, 30,514.20 and 17,062.30

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Solution

The fourth proportional to 20,342.80, 30,514.20 and 17,062.30 is: 25,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342.80 : 30,514.20 = 17,062.30 : x
  2. Step 2: Convert to fraction form
    20,342.80/30,514.20 = 17,062.30/x
  3. Step 3: Cross multiply
    20,342.80x = 30,514.20 × 17,062.30
  4. Step 4: Simplify right side
    20,342.80x = 520,642,434.66
  5. Step 5: Solve for x
    x = 520,642,434.66/20,342.80
  6. Step 6: Final answer
    x = 25,593.45

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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.