Home / 39,286.43-58,930.19-11,206.49

Finding the Fourth Proportional to 39,286.43, 58,930.19 and 11,206.49

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Solution

The fourth proportional to 39,286.43, 58,930.19 and 11,206.49 is: 16,809.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,286.43 : 58,930.19 = 11,206.49 : x
  2. Step 2: Convert to fraction form
    39,286.43/58,930.19 = 11,206.49/x
  3. Step 3: Cross multiply
    39,286.43x = 58,930.19 × 11,206.49
  4. Step 4: Simplify right side
    39,286.43x = 660,400,318.30
  5. Step 5: Solve for x
    x = 660,400,318.30/39,286.43
  6. Step 6: Final answer
    x = 16,809.89

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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.