Home / 80,291.60-120,438.24-33,544.40

Finding the Fourth Proportional to 80,291.60, 120,438.24 and 33,544.40

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Solution

The fourth proportional to 80,291.60, 120,438.24 and 33,544.40 is: 50,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,291.60 : 120,438.24 = 33,544.40 : x
  2. Step 2: Convert to fraction form
    80,291.60/120,438.24 = 33,544.40/x
  3. Step 3: Cross multiply
    80,291.60x = 120,438.24 × 33,544.40
  4. Step 4: Simplify right side
    80,291.60x = 4,040,028,497.86
  5. Step 5: Solve for x
    x = 4,040,028,497.86/80,291.60
  6. Step 6: Final answer
    x = 50,316.95

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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.