Home / 33,125.22-49,689.42-10,938.11

Finding the Fourth Proportional to 33,125.22, 49,689.42 and 10,938.11

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Solution

The fourth proportional to 33,125.22, 49,689.42 and 10,938.11 is: 16,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.22 : 49,689.42 = 10,938.11 : x
  2. Step 2: Convert to fraction form
    33,125.22/49,689.42 = 10,938.11/x
  3. Step 3: Cross multiply
    33,125.22x = 49,689.42 × 10,938.11
  4. Step 4: Simplify right side
    33,125.22x = 543,508,052.33
  5. Step 5: Solve for x
    x = 543,508,052.33/33,125.22
  6. Step 6: Final answer
    x = 16,407.68

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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.