Home / 80,516.06-120,778.32-24,354.74

Finding the Fourth Proportional to 80,516.06, 120,778.32 and 24,354.74

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Solution

The fourth proportional to 80,516.06, 120,778.32 and 24,354.74 is: 36,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,516.06 : 120,778.32 = 24,354.74 : x
  2. Step 2: Convert to fraction form
    80,516.06/120,778.32 = 24,354.74/x
  3. Step 3: Cross multiply
    80,516.06x = 120,778.32 × 24,354.74
  4. Step 4: Simplify right side
    80,516.06x = 2,941,524,218.40
  5. Step 5: Solve for x
    x = 2,941,524,218.40/80,516.06
  6. Step 6: Final answer
    x = 36,533.38

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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.