Home / 57,269.97-85,884.37-19,819.88

Finding the Fourth Proportional to 57,269.97, 85,884.37 and 19,819.88

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Solution

The fourth proportional to 57,269.97, 85,884.37 and 19,819.88 is: 29,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,269.97 : 85,884.37 = 19,819.88 : x
  2. Step 2: Convert to fraction form
    57,269.97/85,884.37 = 19,819.88/x
  3. Step 3: Cross multiply
    57,269.97x = 85,884.37 × 19,819.88
  4. Step 4: Simplify right side
    57,269.97x = 1,702,217,750.37
  5. Step 5: Solve for x
    x = 1,702,217,750.37/57,269.97
  6. Step 6: Final answer
    x = 29,722.69

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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.