Home / 45,850.40-68,781.24-17,770.92

Finding the Fourth Proportional to 45,850.40, 68,781.24 and 17,770.92

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Solution

The fourth proportional to 45,850.40, 68,781.24 and 17,770.92 is: 26,658.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,850.40 : 68,781.24 = 17,770.92 : x
  2. Step 2: Convert to fraction form
    45,850.40/68,781.24 = 17,770.92/x
  3. Step 3: Cross multiply
    45,850.40x = 68,781.24 × 17,770.92
  4. Step 4: Simplify right side
    45,850.40x = 1,222,305,913.54
  5. Step 5: Solve for x
    x = 1,222,305,913.54/45,850.40
  6. Step 6: Final answer
    x = 26,658.57

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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.