Home / 33,787.14-46,622.79-19,638.78

Finding the Fourth Proportional to 33,787.14, 46,622.79 and 19,638.78

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Solution

The fourth proportional to 33,787.14, 46,622.79 and 19,638.78 is: 27,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,787.14 : 46,622.79 = 19,638.78 : x
  2. Step 2: Convert to fraction form
    33,787.14/46,622.79 = 19,638.78/x
  3. Step 3: Cross multiply
    33,787.14x = 46,622.79 × 19,638.78
  4. Step 4: Simplify right side
    33,787.14x = 915,614,715.80
  5. Step 5: Solve for x
    x = 915,614,715.80/33,787.14
  6. Step 6: Final answer
    x = 27,099.50

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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.