Home / 38,556.78-57,694.32-22,769.28

Finding the Fourth Proportional to 38,556.78, 57,694.32 and 22,769.28

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Solution

The fourth proportional to 38,556.78, 57,694.32 and 22,769.28 is: 34,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,556.78 : 57,694.32 = 22,769.28 : x
  2. Step 2: Convert to fraction form
    38,556.78/57,694.32 = 22,769.28/x
  3. Step 3: Cross multiply
    38,556.78x = 57,694.32 × 22,769.28
  4. Step 4: Simplify right side
    38,556.78x = 1,313,658,126.49
  5. Step 5: Solve for x
    x = 1,313,658,126.49/38,556.78
  6. Step 6: Final answer
    x = 34,070.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.