Home / 20,029.48-30,044.09-8,180.73

Finding the Fourth Proportional to 20,029.48, 30,044.09 and 8,180.73

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Solution

The fourth proportional to 20,029.48, 30,044.09 and 8,180.73 is: 12,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.48 : 30,044.09 = 8,180.73 : x
  2. Step 2: Convert to fraction form
    20,029.48/30,044.09 = 8,180.73/x
  3. Step 3: Cross multiply
    20,029.48x = 30,044.09 × 8,180.73
  4. Step 4: Simplify right side
    20,029.48x = 245,782,608.84
  5. Step 5: Solve for x
    x = 245,782,608.84/20,029.48
  6. Step 6: Final answer
    x = 12,271.04

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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.