Home / 51,199.20-70,660.62-28,540.26

Finding the Fourth Proportional to 51,199.20, 70,660.62 and 28,540.26

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Solution

The fourth proportional to 51,199.20, 70,660.62 and 28,540.26 is: 39,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,199.20 : 70,660.62 = 28,540.26 : x
  2. Step 2: Convert to fraction form
    51,199.20/70,660.62 = 28,540.26/x
  3. Step 3: Cross multiply
    51,199.20x = 70,660.62 × 28,540.26
  4. Step 4: Simplify right side
    51,199.20x = 2,016,672,466.56
  5. Step 5: Solve for x
    x = 2,016,672,466.56/51,199.20
  6. Step 6: Final answer
    x = 39,388.75

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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.