Home / 37,523.20-51,778.56-20,757.76

Finding the Fourth Proportional to 37,523.20, 51,778.56 and 20,757.76

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Solution

The fourth proportional to 37,523.20, 51,778.56 and 20,757.76 is: 28,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,523.20 : 51,778.56 = 20,757.76 : x
  2. Step 2: Convert to fraction form
    37,523.20/51,778.56 = 20,757.76/x
  3. Step 3: Cross multiply
    37,523.20x = 51,778.56 × 20,757.76
  4. Step 4: Simplify right side
    37,523.20x = 1,074,806,921.63
  5. Step 5: Solve for x
    x = 1,074,806,921.63/37,523.20
  6. Step 6: Final answer
    x = 28,643.80

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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.