Home / 43,168.86-64,755.90-18,183.96

Finding the Fourth Proportional to 43,168.86, 64,755.90 and 18,183.96

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Solution

The fourth proportional to 43,168.86, 64,755.90 and 18,183.96 is: 27,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,168.86 : 64,755.90 = 18,183.96 : x
  2. Step 2: Convert to fraction form
    43,168.86/64,755.90 = 18,183.96/x
  3. Step 3: Cross multiply
    43,168.86x = 64,755.90 × 18,183.96
  4. Step 4: Simplify right side
    43,168.86x = 1,177,518,695.36
  5. Step 5: Solve for x
    x = 1,177,518,695.36/43,168.86
  6. Step 6: Final answer
    x = 27,277.04

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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.