Home / 33,865.54-46,757.27-21,138.11

Finding the Fourth Proportional to 33,865.54, 46,757.27 and 21,138.11

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Solution

The fourth proportional to 33,865.54, 46,757.27 and 21,138.11 is: 29,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,865.54 : 46,757.27 = 21,138.11 : x
  2. Step 2: Convert to fraction form
    33,865.54/46,757.27 = 21,138.11/x
  3. Step 3: Cross multiply
    33,865.54x = 46,757.27 × 21,138.11
  4. Step 4: Simplify right side
    33,865.54x = 988,360,135.62
  5. Step 5: Solve for x
    x = 988,360,135.62/33,865.54
  6. Step 6: Final answer
    x = 29,184.84

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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.