Home / 36,778.78-50,754.36-20,011.78

Finding the Fourth Proportional to 36,778.78, 50,754.36 and 20,011.78

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Solution

The fourth proportional to 36,778.78, 50,754.36 and 20,011.78 is: 27,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,778.78 : 50,754.36 = 20,011.78 : x
  2. Step 2: Convert to fraction form
    36,778.78/50,754.36 = 20,011.78/x
  3. Step 3: Cross multiply
    36,778.78x = 50,754.36 × 20,011.78
  4. Step 4: Simplify right side
    36,778.78x = 1,015,685,086.36
  5. Step 5: Solve for x
    x = 1,015,685,086.36/36,778.78
  6. Step 6: Final answer
    x = 27,616.06

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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.