Home / 36,701.68-50,649-20,786.08

Finding the Fourth Proportional to 36,701.68, 50,649 and 20,786.08

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Solution

The fourth proportional to 36,701.68, 50,649 and 20,786.08 is: 28,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.68 : 50,649 = 20,786.08 : x
  2. Step 2: Convert to fraction form
    36,701.68/50,649 = 20,786.08/x
  3. Step 3: Cross multiply
    36,701.68x = 50,649 × 20,786.08
  4. Step 4: Simplify right side
    36,701.68x = 1,052,794,165.92
  5. Step 5: Solve for x
    x = 1,052,794,165.92/36,701.68
  6. Step 6: Final answer
    x = 28,685.18

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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.