Home / 36,778.72-50,755.14-20,011.72

Finding the Fourth Proportional to 36,778.72, 50,755.14 and 20,011.72

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Solution

The fourth proportional to 36,778.72, 50,755.14 and 20,011.72 is: 27,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,778.72 : 50,755.14 = 20,011.72 : x
  2. Step 2: Convert to fraction form
    36,778.72/50,755.14 = 20,011.72/x
  3. Step 3: Cross multiply
    36,778.72x = 50,755.14 × 20,011.72
  4. Step 4: Simplify right side
    36,778.72x = 1,015,697,650.24
  5. Step 5: Solve for x
    x = 1,015,697,650.24/36,778.72
  6. Step 6: Final answer
    x = 27,616.45

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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.