Home / 37,039.67-51,115.97-20,272.67

Finding the Fourth Proportional to 37,039.67, 51,115.97 and 20,272.67

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Solution

The fourth proportional to 37,039.67, 51,115.97 and 20,272.67 is: 27,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,039.67 : 51,115.97 = 20,272.67 : x
  2. Step 2: Convert to fraction form
    37,039.67/51,115.97 = 20,272.67/x
  3. Step 3: Cross multiply
    37,039.67x = 51,115.97 × 20,272.67
  4. Step 4: Simplify right side
    37,039.67x = 1,036,257,191.54
  5. Step 5: Solve for x
    x = 1,036,257,191.54/37,039.67
  6. Step 6: Final answer
    x = 27,976.96

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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.