Home / 39,556.27-54,587.82-21,651.49

Finding the Fourth Proportional to 39,556.27, 54,587.82 and 21,651.49

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Solution

The fourth proportional to 39,556.27, 54,587.82 and 21,651.49 is: 29,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556.27 : 54,587.82 = 21,651.49 : x
  2. Step 2: Convert to fraction form
    39,556.27/54,587.82 = 21,651.49/x
  3. Step 3: Cross multiply
    39,556.27x = 54,587.82 × 21,651.49
  4. Step 4: Simplify right side
    39,556.27x = 1,181,907,638.85
  5. Step 5: Solve for x
    x = 1,181,907,638.85/39,556.27
  6. Step 6: Final answer
    x = 29,879.15

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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.