Home / 29,155.76-43,740.96-8,379.44

Finding the Fourth Proportional to 29,155.76, 43,740.96 and 8,379.44

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Solution

The fourth proportional to 29,155.76, 43,740.96 and 8,379.44 is: 12,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155.76 : 43,740.96 = 8,379.44 : x
  2. Step 2: Convert to fraction form
    29,155.76/43,740.96 = 8,379.44/x
  3. Step 3: Cross multiply
    29,155.76x = 43,740.96 × 8,379.44
  4. Step 4: Simplify right side
    29,155.76x = 366,524,749.86
  5. Step 5: Solve for x
    x = 366,524,749.86/29,155.76
  6. Step 6: Final answer
    x = 12,571.26

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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.