Home / 43,279.14-64,879.52-16,976.82

Finding the Fourth Proportional to 43,279.14, 64,879.52 and 16,976.82

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Solution

The fourth proportional to 43,279.14, 64,879.52 and 16,976.82 is: 25,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,279.14 : 64,879.52 = 16,976.82 : x
  2. Step 2: Convert to fraction form
    43,279.14/64,879.52 = 16,976.82/x
  3. Step 3: Cross multiply
    43,279.14x = 64,879.52 × 16,976.82
  4. Step 4: Simplify right side
    43,279.14x = 1,101,447,932.73
  5. Step 5: Solve for x
    x = 1,101,447,932.73/43,279.14
  6. Step 6: Final answer
    x = 25,449.86

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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.