Home / 57,944.82-86,956.19-20,504.75

Finding the Fourth Proportional to 57,944.82, 86,956.19 and 20,504.75

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Solution

The fourth proportional to 57,944.82, 86,956.19 and 20,504.75 is: 30,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,944.82 : 86,956.19 = 20,504.75 : x
  2. Step 2: Convert to fraction form
    57,944.82/86,956.19 = 20,504.75/x
  3. Step 3: Cross multiply
    57,944.82x = 86,956.19 × 20,504.75
  4. Step 4: Simplify right side
    57,944.82x = 1,783,014,399.60
  5. Step 5: Solve for x
    x = 1,783,014,399.60/57,944.82
  6. Step 6: Final answer
    x = 30,770.90

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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.