Home / 29,163.81-43,744.30-8,103.72

Finding the Fourth Proportional to 29,163.81, 43,744.30 and 8,103.72

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Solution

The fourth proportional to 29,163.81, 43,744.30 and 8,103.72 is: 12,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,163.81 : 43,744.30 = 8,103.72 : x
  2. Step 2: Convert to fraction form
    29,163.81/43,744.30 = 8,103.72/x
  3. Step 3: Cross multiply
    29,163.81x = 43,744.30 × 8,103.72
  4. Step 4: Simplify right side
    29,163.81x = 354,491,538.54
  5. Step 5: Solve for x
    x = 354,491,538.54/29,163.81
  6. Step 6: Final answer
    x = 12,155.19

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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.