Home / 39,849.05-54,992.07-21,944.69

Finding the Fourth Proportional to 39,849.05, 54,992.07 and 21,944.69

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Solution

The fourth proportional to 39,849.05, 54,992.07 and 21,944.69 is: 30,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.05 : 54,992.07 = 21,944.69 : x
  2. Step 2: Convert to fraction form
    39,849.05/54,992.07 = 21,944.69/x
  3. Step 3: Cross multiply
    39,849.05x = 54,992.07 × 21,944.69
  4. Step 4: Simplify right side
    39,849.05x = 1,206,783,928.61
  5. Step 5: Solve for x
    x = 1,206,783,928.61/39,849.05
  6. Step 6: Final answer
    x = 30,283.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.