Home / 40,380.46-60,583.10-20,672.85

Finding the Fourth Proportional to 40,380.46, 60,583.10 and 20,672.85

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Solution

The fourth proportional to 40,380.46, 60,583.10 and 20,672.85 is: 31,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.46 : 60,583.10 = 20,672.85 : x
  2. Step 2: Convert to fraction form
    40,380.46/60,583.10 = 20,672.85/x
  3. Step 3: Cross multiply
    40,380.46x = 60,583.10 × 20,672.85
  4. Step 4: Simplify right side
    40,380.46x = 1,252,425,338.84
  5. Step 5: Solve for x
    x = 1,252,425,338.84/40,380.46
  6. Step 6: Final answer
    x = 31,015.63

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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.