Home / 29,278.86-43,910.46-8,217.66

Finding the Fourth Proportional to 29,278.86, 43,910.46 and 8,217.66

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Solution

The fourth proportional to 29,278.86, 43,910.46 and 8,217.66 is: 12,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.86 : 43,910.46 = 8,217.66 : x
  2. Step 2: Convert to fraction form
    29,278.86/43,910.46 = 8,217.66/x
  3. Step 3: Cross multiply
    29,278.86x = 43,910.46 × 8,217.66
  4. Step 4: Simplify right side
    29,278.86x = 360,841,230.72
  5. Step 5: Solve for x
    x = 360,841,230.72/29,278.86
  6. Step 6: Final answer
    x = 12,324.29

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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.