Home / 37,115.44-51,220.20-20,348.56

Finding the Fourth Proportional to 37,115.44, 51,220.20 and 20,348.56

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Solution

The fourth proportional to 37,115.44, 51,220.20 and 20,348.56 is: 28,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,115.44 : 51,220.20 = 20,348.56 : x
  2. Step 2: Convert to fraction form
    37,115.44/51,220.20 = 20,348.56/x
  3. Step 3: Cross multiply
    37,115.44x = 51,220.20 × 20,348.56
  4. Step 4: Simplify right side
    37,115.44x = 1,042,257,312.91
  5. Step 5: Solve for x
    x = 1,042,257,312.91/37,115.44
  6. Step 6: Final answer
    x = 28,081.50

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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.