Home / 35,286.54-48,694.95-20,181.66

Finding the Fourth Proportional to 35,286.54, 48,694.95 and 20,181.66

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Solution

The fourth proportional to 35,286.54, 48,694.95 and 20,181.66 is: 27,850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,286.54 : 48,694.95 = 20,181.66 : x
  2. Step 2: Convert to fraction form
    35,286.54/48,694.95 = 20,181.66/x
  3. Step 3: Cross multiply
    35,286.54x = 48,694.95 × 20,181.66
  4. Step 4: Simplify right side
    35,286.54x = 982,744,924.62
  5. Step 5: Solve for x
    x = 982,744,924.62/35,286.54
  6. Step 6: Final answer
    x = 27,850.42

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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.