Home / 40,201.23-55,481.10-22,302

Finding the Fourth Proportional to 40,201.23, 55,481.10 and 22,302

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Solution

The fourth proportional to 40,201.23, 55,481.10 and 22,302 is: 30,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,201.23 : 55,481.10 = 22,302 : x
  2. Step 2: Convert to fraction form
    40,201.23/55,481.10 = 22,302/x
  3. Step 3: Cross multiply
    40,201.23x = 55,481.10 × 22,302
  4. Step 4: Simplify right side
    40,201.23x = 1,237,339,492.20
  5. Step 5: Solve for x
    x = 1,237,339,492.20/40,201.23
  6. Step 6: Final answer
    x = 30,778.65

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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.