Home / 39,849.79-54,992.28-21,944.43

Finding the Fourth Proportional to 39,849.79, 54,992.28 and 21,944.43

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Solution

The fourth proportional to 39,849.79, 54,992.28 and 21,944.43 is: 30,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.79 : 54,992.28 = 21,944.43 : x
  2. Step 2: Convert to fraction form
    39,849.79/54,992.28 = 21,944.43/x
  3. Step 3: Cross multiply
    39,849.79x = 54,992.28 × 21,944.43
  4. Step 4: Simplify right side
    39,849.79x = 1,206,774,239.00
  5. Step 5: Solve for x
    x = 1,206,774,239.00/39,849.79
  6. Step 6: Final answer
    x = 30,283.08

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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.