Home / 38,083.54-52,556.92-21,087.78

Finding the Fourth Proportional to 38,083.54, 52,556.92 and 21,087.78

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Solution

The fourth proportional to 38,083.54, 52,556.92 and 21,087.78 is: 29,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,083.54 : 52,556.92 = 21,087.78 : x
  2. Step 2: Convert to fraction form
    38,083.54/52,556.92 = 21,087.78/x
  3. Step 3: Cross multiply
    38,083.54x = 52,556.92 × 21,087.78
  4. Step 4: Simplify right side
    38,083.54x = 1,108,308,766.44
  5. Step 5: Solve for x
    x = 1,108,308,766.44/38,083.54
  6. Step 6: Final answer
    x = 29,102.04

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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.