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Finding the Fourth Proportional to 80,015.40, 120,023.10 and 24,604.20

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Solution

The fourth proportional to 80,015.40, 120,023.10 and 24,604.20 is: 36,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,015.40 : 120,023.10 = 24,604.20 : x
  2. Step 2: Convert to fraction form
    80,015.40/120,023.10 = 24,604.20/x
  3. Step 3: Cross multiply
    80,015.40x = 120,023.10 × 24,604.20
  4. Step 4: Simplify right side
    80,015.40x = 2,953,072,357.02
  5. Step 5: Solve for x
    x = 2,953,072,357.02/80,015.40
  6. Step 6: Final answer
    x = 36,906.30

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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.