Home / 37,180.50-51,310.20-20,414.58

Finding the Fourth Proportional to 37,180.50, 51,310.20 and 20,414.58

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Solution

The fourth proportional to 37,180.50, 51,310.20 and 20,414.58 is: 28,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,180.50 : 51,310.20 = 20,414.58 : x
  2. Step 2: Convert to fraction form
    37,180.50/51,310.20 = 20,414.58/x
  3. Step 3: Cross multiply
    37,180.50x = 51,310.20 × 20,414.58
  4. Step 4: Simplify right side
    37,180.50x = 1,047,476,182.72
  5. Step 5: Solve for x
    x = 1,047,476,182.72/37,180.50
  6. Step 6: Final answer
    x = 28,172.73

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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.