Home / 33,161.86-49,748.19-9,790.66

Finding the Fourth Proportional to 33,161.86, 49,748.19 and 9,790.66

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Solution

The fourth proportional to 33,161.86, 49,748.19 and 9,790.66 is: 14,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,161.86 : 49,748.19 = 9,790.66 : x
  2. Step 2: Convert to fraction form
    33,161.86/49,748.19 = 9,790.66/x
  3. Step 3: Cross multiply
    33,161.86x = 49,748.19 × 9,790.66
  4. Step 4: Simplify right side
    33,161.86x = 487,067,613.91
  5. Step 5: Solve for x
    x = 487,067,613.91/33,161.86
  6. Step 6: Final answer
    x = 14,687.58

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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.