Home / 37,449.36-51,679.40-20,682

Finding the Fourth Proportional to 37,449.36, 51,679.40 and 20,682

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Solution

The fourth proportional to 37,449.36, 51,679.40 and 20,682 is: 28,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,449.36 : 51,679.40 = 20,682 : x
  2. Step 2: Convert to fraction form
    37,449.36/51,679.40 = 20,682/x
  3. Step 3: Cross multiply
    37,449.36x = 51,679.40 × 20,682
  4. Step 4: Simplify right side
    37,449.36x = 1,068,833,350.80
  5. Step 5: Solve for x
    x = 1,068,833,350.80/37,449.36
  6. Step 6: Final answer
    x = 28,540.76

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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.