Home / 36,053.49-49,753.92-20,138.55

Finding the Fourth Proportional to 36,053.49, 49,753.92 and 20,138.55

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Solution

The fourth proportional to 36,053.49, 49,753.92 and 20,138.55 is: 27,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,053.49 : 49,753.92 = 20,138.55 : x
  2. Step 2: Convert to fraction form
    36,053.49/49,753.92 = 20,138.55/x
  3. Step 3: Cross multiply
    36,053.49x = 49,753.92 × 20,138.55
  4. Step 4: Simplify right side
    36,053.49x = 1,001,971,805.62
  5. Step 5: Solve for x
    x = 1,001,971,805.62/36,053.49
  6. Step 6: Final answer
    x = 27,791.26

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1.5x scale

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.