Home / 39,198.12-58,806.78-19,485.96

Finding the Fourth Proportional to 39,198.12, 58,806.78 and 19,485.96

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Solution

The fourth proportional to 39,198.12, 58,806.78 and 19,485.96 is: 29,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.12 : 58,806.78 = 19,485.96 : x
  2. Step 2: Convert to fraction form
    39,198.12/58,806.78 = 19,485.96/x
  3. Step 3: Cross multiply
    39,198.12x = 58,806.78 × 19,485.96
  4. Step 4: Simplify right side
    39,198.12x = 1,145,906,562.81
  5. Step 5: Solve for x
    x = 1,145,906,562.81/39,198.12
  6. Step 6: Final answer
    x = 29,233.71

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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.