Home / 49,279.52-73,918.20-21,218.24

Finding the Fourth Proportional to 49,279.52, 73,918.20 and 21,218.24

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Solution

The fourth proportional to 49,279.52, 73,918.20 and 21,218.24 is: 31,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,279.52 : 73,918.20 = 21,218.24 : x
  2. Step 2: Convert to fraction form
    49,279.52/73,918.20 = 21,218.24/x
  3. Step 3: Cross multiply
    49,279.52x = 73,918.20 × 21,218.24
  4. Step 4: Simplify right side
    49,279.52x = 1,568,414,107.97
  5. Step 5: Solve for x
    x = 1,568,414,107.97/49,279.52
  6. Step 6: Final answer
    x = 31,826.89

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1.5x scale

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.