Home / 36,556.38-54,841.05-13,179.78

Finding the Fourth Proportional to 36,556.38, 54,841.05 and 13,179.78

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Solution

The fourth proportional to 36,556.38, 54,841.05 and 13,179.78 is: 19,772.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,556.38 : 54,841.05 = 13,179.78 : x
  2. Step 2: Convert to fraction form
    36,556.38/54,841.05 = 13,179.78/x
  3. Step 3: Cross multiply
    36,556.38x = 54,841.05 × 13,179.78
  4. Step 4: Simplify right side
    36,556.38x = 722,792,973.97
  5. Step 5: Solve for x
    x = 722,792,973.97/36,556.38
  6. Step 6: Final answer
    x = 19,772.01

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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.