Home / 36,020.50-49,708.11-20,104

Finding the Fourth Proportional to 36,020.50, 49,708.11 and 20,104

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Solution

The fourth proportional to 36,020.50, 49,708.11 and 20,104 is: 27,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.50 : 49,708.11 = 20,104 : x
  2. Step 2: Convert to fraction form
    36,020.50/49,708.11 = 20,104/x
  3. Step 3: Cross multiply
    36,020.50x = 49,708.11 × 20,104
  4. Step 4: Simplify right side
    36,020.50x = 999,331,843.44
  5. Step 5: Solve for x
    x = 999,331,843.44/36,020.50
  6. Step 6: Final answer
    x = 27,743.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.