Home / 37,170.78-51,296.07-20,175.18

Finding the Fourth Proportional to 37,170.78, 51,296.07 and 20,175.18

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Solution

The fourth proportional to 37,170.78, 51,296.07 and 20,175.18 is: 27,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170.78 : 51,296.07 = 20,175.18 : x
  2. Step 2: Convert to fraction form
    37,170.78/51,296.07 = 20,175.18/x
  3. Step 3: Cross multiply
    37,170.78x = 51,296.07 × 20,175.18
  4. Step 4: Simplify right side
    37,170.78x = 1,034,907,445.54
  5. Step 5: Solve for x
    x = 1,034,907,445.54/37,170.78
  6. Step 6: Final answer
    x = 27,841.96

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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.