Home / 33,333.80-50,003.36-11,147.28

Finding the Fourth Proportional to 33,333.80, 50,003.36 and 11,147.28

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Solution

The fourth proportional to 33,333.80, 50,003.36 and 11,147.28 is: 16,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,333.80 : 50,003.36 = 11,147.28 : x
  2. Step 2: Convert to fraction form
    33,333.80/50,003.36 = 11,147.28/x
  3. Step 3: Cross multiply
    33,333.80x = 50,003.36 × 11,147.28
  4. Step 4: Simplify right side
    33,333.80x = 557,401,454.86
  5. Step 5: Solve for x
    x = 557,401,454.86/33,333.80
  6. Step 6: Final answer
    x = 16,721.81

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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.