Home / 55,517.82-76,616.38-30,367.32

Finding the Fourth Proportional to 55,517.82, 76,616.38 and 30,367.32

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Solution

The fourth proportional to 55,517.82, 76,616.38 and 30,367.32 is: 41,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.82 : 76,616.38 = 30,367.32 : x
  2. Step 2: Convert to fraction form
    55,517.82/76,616.38 = 30,367.32/x
  3. Step 3: Cross multiply
    55,517.82x = 76,616.38 × 30,367.32
  4. Step 4: Simplify right side
    55,517.82x = 2,326,634,128.70
  5. Step 5: Solve for x
    x = 2,326,634,128.70/55,517.82
  6. Step 6: Final answer
    x = 41,907.88

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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.