Home / 33,419.44-46,118.11-18,311.78

Finding the Fourth Proportional to 33,419.44, 46,118.11 and 18,311.78

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Solution

The fourth proportional to 33,419.44, 46,118.11 and 18,311.78 is: 25,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.44 : 46,118.11 = 18,311.78 : x
  2. Step 2: Convert to fraction form
    33,419.44/46,118.11 = 18,311.78/x
  3. Step 3: Cross multiply
    33,419.44x = 46,118.11 × 18,311.78
  4. Step 4: Simplify right side
    33,419.44x = 844,504,658.48
  5. Step 5: Solve for x
    x = 844,504,658.48/33,419.44
  6. Step 6: Final answer
    x = 25,269.86

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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.