Home / 55,517.80-76,616.40-30,367.30

Finding the Fourth Proportional to 55,517.80, 76,616.40 and 30,367.30

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Solution

The fourth proportional to 55,517.80, 76,616.40 and 30,367.30 is: 41,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.80 : 76,616.40 = 30,367.30 : x
  2. Step 2: Convert to fraction form
    55,517.80/76,616.40 = 30,367.30/x
  3. Step 3: Cross multiply
    55,517.80x = 76,616.40 × 30,367.30
  4. Step 4: Simplify right side
    55,517.80x = 2,326,633,203.72
  5. Step 5: Solve for x
    x = 2,326,633,203.72/55,517.80
  6. Step 6: Final answer
    x = 41,907.88

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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.