Home / 40,778.82-61,167.51-11,196.54

Finding the Fourth Proportional to 40,778.82, 61,167.51 and 11,196.54

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Solution

The fourth proportional to 40,778.82, 61,167.51 and 11,196.54 is: 16,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.82 : 61,167.51 = 11,196.54 : x
  2. Step 2: Convert to fraction form
    40,778.82/61,167.51 = 11,196.54/x
  3. Step 3: Cross multiply
    40,778.82x = 61,167.51 × 11,196.54
  4. Step 4: Simplify right side
    40,778.82x = 684,864,472.42
  5. Step 5: Solve for x
    x = 684,864,472.42/40,778.82
  6. Step 6: Final answer
    x = 16,794.61

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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.