Home / 29,872.80-41,193.90-19,797.75

Finding the Fourth Proportional to 29,872.80, 41,193.90 and 19,797.75

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Solution

The fourth proportional to 29,872.80, 41,193.90 and 19,797.75 is: 27,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,872.80 : 41,193.90 = 19,797.75 : x
  2. Step 2: Convert to fraction form
    29,872.80/41,193.90 = 19,797.75/x
  3. Step 3: Cross multiply
    29,872.80x = 41,193.90 × 19,797.75
  4. Step 4: Simplify right side
    29,872.80x = 815,546,533.73
  5. Step 5: Solve for x
    x = 815,546,533.73/29,872.80
  6. Step 6: Final answer
    x = 27,300.64

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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.