Home / 39,351.69-54,304.59-21,446.82

Finding the Fourth Proportional to 39,351.69, 54,304.59 and 21,446.82

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Solution

The fourth proportional to 39,351.69, 54,304.59 and 21,446.82 is: 29,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.69 : 54,304.59 = 21,446.82 : x
  2. Step 2: Convert to fraction form
    39,351.69/54,304.59 = 21,446.82/x
  3. Step 3: Cross multiply
    39,351.69x = 54,304.59 × 21,446.82
  4. Step 4: Simplify right side
    39,351.69x = 1,164,660,766.90
  5. Step 5: Solve for x
    x = 1,164,660,766.90/39,351.69
  6. Step 6: Final answer
    x = 29,596.21

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1.5x scale

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.