Home / 45,453.88-68,179.20-15,871.60

Finding the Fourth Proportional to 45,453.88, 68,179.20 and 15,871.60

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Solution

The fourth proportional to 45,453.88, 68,179.20 and 15,871.60 is: 23,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,453.88 : 68,179.20 = 15,871.60 : x
  2. Step 2: Convert to fraction form
    45,453.88/68,179.20 = 15,871.60/x
  3. Step 3: Cross multiply
    45,453.88x = 68,179.20 × 15,871.60
  4. Step 4: Simplify right side
    45,453.88x = 1,082,112,990.72
  5. Step 5: Solve for x
    x = 1,082,112,990.72/45,453.88
  6. Step 6: Final answer
    x = 23,806.83

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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.