Home / 80,378.43-120,559.08-32,998.49

Finding the Fourth Proportional to 80,378.43, 120,559.08 and 32,998.49

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Solution

The fourth proportional to 80,378.43, 120,559.08 and 32,998.49 is: 49,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,378.43 : 120,559.08 = 32,998.49 : x
  2. Step 2: Convert to fraction form
    80,378.43/120,559.08 = 32,998.49/x
  3. Step 3: Cross multiply
    80,378.43x = 120,559.08 × 32,998.49
  4. Step 4: Simplify right side
    80,378.43x = 3,978,267,568.83
  5. Step 5: Solve for x
    x = 3,978,267,568.83/80,378.43
  6. Step 6: Final answer
    x = 49,494.22

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1.5x scale

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.