Home / 55,500.80-76,589.96-30,350.30

Finding the Fourth Proportional to 55,500.80, 76,589.96 and 30,350.30

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Solution

The fourth proportional to 55,500.80, 76,589.96 and 30,350.30 is: 41,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,500.80 : 76,589.96 = 30,350.30 : x
  2. Step 2: Convert to fraction form
    55,500.80/76,589.96 = 30,350.30/x
  3. Step 3: Cross multiply
    55,500.80x = 76,589.96 × 30,350.30
  4. Step 4: Simplify right side
    55,500.80x = 2,324,527,728.29
  5. Step 5: Solve for x
    x = 2,324,527,728.29/55,500.80
  6. Step 6: Final answer
    x = 41,882.78

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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.