Home / 39,569.82-54,604.26-21,661.38

Finding the Fourth Proportional to 39,569.82, 54,604.26 and 21,661.38

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Solution

The fourth proportional to 39,569.82, 54,604.26 and 21,661.38 is: 29,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,569.82 : 54,604.26 = 21,661.38 : x
  2. Step 2: Convert to fraction form
    39,569.82/54,604.26 = 21,661.38/x
  3. Step 3: Cross multiply
    39,569.82x = 54,604.26 × 21,661.38
  4. Step 4: Simplify right side
    39,569.82x = 1,182,803,625.48
  5. Step 5: Solve for x
    x = 1,182,803,625.48/39,569.82
  6. Step 6: Final answer
    x = 29,891.56

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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.