Home / 33,180.78-45,787.89-18,073.37

Finding the Fourth Proportional to 33,180.78, 45,787.89 and 18,073.37

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Solution

The fourth proportional to 33,180.78, 45,787.89 and 18,073.37 is: 24,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.78 : 45,787.89 = 18,073.37 : x
  2. Step 2: Convert to fraction form
    33,180.78/45,787.89 = 18,073.37/x
  3. Step 3: Cross multiply
    33,180.78x = 45,787.89 × 18,073.37
  4. Step 4: Simplify right side
    33,180.78x = 827,541,248.55
  5. Step 5: Solve for x
    x = 827,541,248.55/33,180.78
  6. Step 6: Final answer
    x = 24,940.38

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1.5x scale

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.