Home / 33,042.89-49,569.50-10,851.21

Finding the Fourth Proportional to 33,042.89, 49,569.50 and 10,851.21

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Solution

The fourth proportional to 33,042.89, 49,569.50 and 10,851.21 is: 16,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,042.89 : 49,569.50 = 10,851.21 : x
  2. Step 2: Convert to fraction form
    33,042.89/49,569.50 = 10,851.21/x
  3. Step 3: Cross multiply
    33,042.89x = 49,569.50 × 10,851.21
  4. Step 4: Simplify right side
    33,042.89x = 537,889,081.22
  5. Step 5: Solve for x
    x = 537,889,081.22/33,042.89
  6. Step 6: Final answer
    x = 16,278.51

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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.