Home / 57,712.28-86,579.64-22,171

Finding the Fourth Proportional to 57,712.28, 86,579.64 and 22,171

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Solution

The fourth proportional to 57,712.28, 86,579.64 and 22,171 is: 33,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.28 : 86,579.64 = 22,171 : x
  2. Step 2: Convert to fraction form
    57,712.28/86,579.64 = 22,171/x
  3. Step 3: Cross multiply
    57,712.28x = 86,579.64 × 22,171
  4. Step 4: Simplify right side
    57,712.28x = 1,919,557,198.44
  5. Step 5: Solve for x
    x = 1,919,557,198.44/57,712.28
  6. Step 6: Final answer
    x = 33,260.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.