Home / 55,163.57-82,745.52-15,183.08

Finding the Fourth Proportional to 55,163.57, 82,745.52 and 15,183.08

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Solution

The fourth proportional to 55,163.57, 82,745.52 and 15,183.08 is: 22,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,163.57 : 82,745.52 = 15,183.08 : x
  2. Step 2: Convert to fraction form
    55,163.57/82,745.52 = 15,183.08/x
  3. Step 3: Cross multiply
    55,163.57x = 82,745.52 × 15,183.08
  4. Step 4: Simplify right side
    55,163.57x = 1,256,331,689.43
  5. Step 5: Solve for x
    x = 1,256,331,689.43/55,163.57
  6. Step 6: Final answer
    x = 22,774.66

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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.