Home / 37,489.20-51,735.31-20,493.48

Finding the Fourth Proportional to 37,489.20, 51,735.31 and 20,493.48

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Solution

The fourth proportional to 37,489.20, 51,735.31 and 20,493.48 is: 28,281.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,489.20 : 51,735.31 = 20,493.48 : x
  2. Step 2: Convert to fraction form
    37,489.20/51,735.31 = 20,493.48/x
  3. Step 3: Cross multiply
    37,489.20x = 51,735.31 × 20,493.48
  4. Step 4: Simplify right side
    37,489.20x = 1,060,236,540.78
  5. Step 5: Solve for x
    x = 1,060,236,540.78/37,489.20
  6. Step 6: Final answer
    x = 28,281.12

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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.