Home / 40,799.54-61,198.41-16,778.78

Finding the Fourth Proportional to 40,799.54, 61,198.41 and 16,778.78

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Solution

The fourth proportional to 40,799.54, 61,198.41 and 16,778.78 is: 25,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,799.54 : 61,198.41 = 16,778.78 : x
  2. Step 2: Convert to fraction form
    40,799.54/61,198.41 = 16,778.78/x
  3. Step 3: Cross multiply
    40,799.54x = 61,198.41 × 16,778.78
  4. Step 4: Simplify right side
    40,799.54x = 1,026,834,657.74
  5. Step 5: Solve for x
    x = 1,026,834,657.74/40,799.54
  6. Step 6: Final answer
    x = 25,167.80

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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.