Home / 37,132.20-55,673.70-20,500.20

Finding the Fourth Proportional to 37,132.20, 55,673.70 and 20,500.20

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Solution

The fourth proportional to 37,132.20, 55,673.70 and 20,500.20 is: 30,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,132.20 : 55,673.70 = 20,500.20 : x
  2. Step 2: Convert to fraction form
    37,132.20/55,673.70 = 20,500.20/x
  3. Step 3: Cross multiply
    37,132.20x = 55,673.70 × 20,500.20
  4. Step 4: Simplify right side
    37,132.20x = 1,141,321,984.74
  5. Step 5: Solve for x
    x = 1,141,321,984.74/37,132.20
  6. Step 6: Final answer
    x = 30,736.72

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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.