Home / 45,732.20-68,605.92-15,745.28

Finding the Fourth Proportional to 45,732.20, 68,605.92 and 15,745.28

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Solution

The fourth proportional to 45,732.20, 68,605.92 and 15,745.28 is: 23,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,732.20 : 68,605.92 = 15,745.28 : x
  2. Step 2: Convert to fraction form
    45,732.20/68,605.92 = 15,745.28/x
  3. Step 3: Cross multiply
    45,732.20x = 68,605.92 × 15,745.28
  4. Step 4: Simplify right side
    45,732.20x = 1,080,219,420.06
  5. Step 5: Solve for x
    x = 1,080,219,420.06/45,732.20
  6. Step 6: Final answer
    x = 23,620.54

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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.