Home / 55,517.80-76,613.94-30,367

Finding the Fourth Proportional to 55,517.80, 76,613.94 and 30,367

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Solution

The fourth proportional to 55,517.80, 76,613.94 and 30,367 is: 41,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.80 : 76,613.94 = 30,367 : x
  2. Step 2: Convert to fraction form
    55,517.80/76,613.94 = 30,367/x
  3. Step 3: Cross multiply
    55,517.80x = 76,613.94 × 30,367
  4. Step 4: Simplify right side
    55,517.80x = 2,326,535,515.98
  5. Step 5: Solve for x
    x = 2,326,535,515.98/55,517.80
  6. Step 6: Final answer
    x = 41,906.12

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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.