Home / 37,449.75-51,680.70-20,682.75

Finding the Fourth Proportional to 37,449.75, 51,680.70 and 20,682.75

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Solution

The fourth proportional to 37,449.75, 51,680.70 and 20,682.75 is: 28,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,449.75 : 51,680.70 = 20,682.75 : x
  2. Step 2: Convert to fraction form
    37,449.75/51,680.70 = 20,682.75/x
  3. Step 3: Cross multiply
    37,449.75x = 51,680.70 × 20,682.75
  4. Step 4: Simplify right side
    37,449.75x = 1,068,898,997.93
  5. Step 5: Solve for x
    x = 1,068,898,997.93/37,449.75
  6. Step 6: Final answer
    x = 28,542.22

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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.