Home / 51,286.20-76,799.70-33,660.60

Finding the Fourth Proportional to 51,286.20, 76,799.70 and 33,660.60

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Solution

The fourth proportional to 51,286.20, 76,799.70 and 33,660.60 is: 50,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286.20 : 76,799.70 = 33,660.60 : x
  2. Step 2: Convert to fraction form
    51,286.20/76,799.70 = 33,660.60/x
  3. Step 3: Cross multiply
    51,286.20x = 76,799.70 × 33,660.60
  4. Step 4: Simplify right side
    51,286.20x = 2,585,123,981.82
  5. Step 5: Solve for x
    x = 2,585,123,981.82/51,286.20
  6. Step 6: Final answer
    x = 50,405.84

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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.