Home / 20,223.50-30,335.24-20,194.29

Finding the Fourth Proportional to 20,223.50, 30,335.24 and 20,194.29

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Solution

The fourth proportional to 20,223.50, 30,335.24 and 20,194.29 is: 30,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.50 : 30,335.24 = 20,194.29 : x
  2. Step 2: Convert to fraction form
    20,223.50/30,335.24 = 20,194.29/x
  3. Step 3: Cross multiply
    20,223.50x = 30,335.24 × 20,194.29
  4. Step 4: Simplify right side
    20,223.50x = 612,598,684.27
  5. Step 5: Solve for x
    x = 612,598,684.27/20,223.50
  6. Step 6: Final answer
    x = 30,291.44

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Double scale
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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.