Home / 20,042.91-30,057.08-8,349.75

Finding the Fourth Proportional to 20,042.91, 30,057.08 and 8,349.75

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Solution

The fourth proportional to 20,042.91, 30,057.08 and 8,349.75 is: 12,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.91 : 30,057.08 = 8,349.75 : x
  2. Step 2: Convert to fraction form
    20,042.91/30,057.08 = 8,349.75/x
  3. Step 3: Cross multiply
    20,042.91x = 30,057.08 × 8,349.75
  4. Step 4: Simplify right side
    20,042.91x = 250,969,061.98
  5. Step 5: Solve for x
    x = 250,969,061.98/20,042.91
  6. Step 6: Final answer
    x = 12,521.59

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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.