Home / 20,023.24-30,034.57-8,174.48

Finding the Fourth Proportional to 20,023.24, 30,034.57 and 8,174.48

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Solution

The fourth proportional to 20,023.24, 30,034.57 and 8,174.48 is: 12,261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.24 : 30,034.57 = 8,174.48 : x
  2. Step 2: Convert to fraction form
    20,023.24/30,034.57 = 8,174.48/x
  3. Step 3: Cross multiply
    20,023.24x = 30,034.57 × 8,174.48
  4. Step 4: Simplify right side
    20,023.24x = 245,517,070.66
  5. Step 5: Solve for x
    x = 245,517,070.66/20,023.24
  6. Step 6: Final answer
    x = 12,261.61

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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.