Home / 37,185.38-55,722.68-20,550.16

Finding the Fourth Proportional to 37,185.38, 55,722.68 and 20,550.16

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Solution

The fourth proportional to 37,185.38, 55,722.68 and 20,550.16 is: 30,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,185.38 : 55,722.68 = 20,550.16 : x
  2. Step 2: Convert to fraction form
    37,185.38/55,722.68 = 20,550.16/x
  3. Step 3: Cross multiply
    37,185.38x = 55,722.68 × 20,550.16
  4. Step 4: Simplify right side
    37,185.38x = 1,145,109,989.63
  5. Step 5: Solve for x
    x = 1,145,109,989.63/37,185.38
  6. Step 6: Final answer
    x = 30,794.63

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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.