Home / 33,797.88-46,638.66-18,687.75

Finding the Fourth Proportional to 33,797.88, 46,638.66 and 18,687.75

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Solution

The fourth proportional to 33,797.88, 46,638.66 and 18,687.75 is: 25,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,797.88 : 46,638.66 = 18,687.75 : x
  2. Step 2: Convert to fraction form
    33,797.88/46,638.66 = 18,687.75/x
  3. Step 3: Cross multiply
    33,797.88x = 46,638.66 × 18,687.75
  4. Step 4: Simplify right side
    33,797.88x = 871,571,618.42
  5. Step 5: Solve for x
    x = 871,571,618.42/33,797.88
  6. Step 6: Final answer
    x = 25,787.76

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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.