Home / 47,919.66-71,879.49-18,346.56

Finding the Fourth Proportional to 47,919.66, 71,879.49 and 18,346.56

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Solution

The fourth proportional to 47,919.66, 71,879.49 and 18,346.56 is: 27,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,919.66 : 71,879.49 = 18,346.56 : x
  2. Step 2: Convert to fraction form
    47,919.66/71,879.49 = 18,346.56/x
  3. Step 3: Cross multiply
    47,919.66x = 71,879.49 × 18,346.56
  4. Step 4: Simplify right side
    47,919.66x = 1,318,741,376.05
  5. Step 5: Solve for x
    x = 1,318,741,376.05/47,919.66
  6. Step 6: Final answer
    x = 27,519.84

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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.