Home / 36,772.62-50,744.08-20,638.43

Finding the Fourth Proportional to 36,772.62, 50,744.08 and 20,638.43

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Solution

The fourth proportional to 36,772.62, 50,744.08 and 20,638.43 is: 28,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,772.62 : 50,744.08 = 20,638.43 : x
  2. Step 2: Convert to fraction form
    36,772.62/50,744.08 = 20,638.43/x
  3. Step 3: Cross multiply
    36,772.62x = 50,744.08 × 20,638.43
  4. Step 4: Simplify right side
    36,772.62x = 1,047,277,786.08
  5. Step 5: Solve for x
    x = 1,047,277,786.08/36,772.62
  6. Step 6: Final answer
    x = 28,479.83

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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.