Home / 39,626.20-54,683.94-21,721.96

Finding the Fourth Proportional to 39,626.20, 54,683.94 and 21,721.96

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Solution

The fourth proportional to 39,626.20, 54,683.94 and 21,721.96 is: 29,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,626.20 : 54,683.94 = 21,721.96 : x
  2. Step 2: Convert to fraction form
    39,626.20/54,683.94 = 21,721.96/x
  3. Step 3: Cross multiply
    39,626.20x = 54,683.94 × 21,721.96
  4. Step 4: Simplify right side
    39,626.20x = 1,187,842,357.32
  5. Step 5: Solve for x
    x = 1,187,842,357.32/39,626.20
  6. Step 6: Final answer
    x = 29,976.19

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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.