Home / 30,201.63-41,680.11-16,772.97

Finding the Fourth Proportional to 30,201.63, 41,680.11 and 16,772.97

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Solution

The fourth proportional to 30,201.63, 41,680.11 and 16,772.97 is: 23,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.63 : 41,680.11 = 16,772.97 : x
  2. Step 2: Convert to fraction form
    30,201.63/41,680.11 = 16,772.97/x
  3. Step 3: Cross multiply
    30,201.63x = 41,680.11 × 16,772.97
  4. Step 4: Simplify right side
    30,201.63x = 699,099,234.63
  5. Step 5: Solve for x
    x = 699,099,234.63/30,201.63
  6. Step 6: Final answer
    x = 23,147.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.