Home / 50,991.54-76,441.23-18,151.86

Finding the Fourth Proportional to 50,991.54, 76,441.23 and 18,151.86

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Solution

The fourth proportional to 50,991.54, 76,441.23 and 18,151.86 is: 27,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,991.54 : 76,441.23 = 18,151.86 : x
  2. Step 2: Convert to fraction form
    50,991.54/76,441.23 = 18,151.86/x
  3. Step 3: Cross multiply
    50,991.54x = 76,441.23 × 18,151.86
  4. Step 4: Simplify right side
    50,991.54x = 1,387,550,505.19
  5. Step 5: Solve for x
    x = 1,387,550,505.19/50,991.54
  6. Step 6: Final answer
    x = 27,211.39

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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.