Home / 35,794.88-49,396.21-19,878.78

Finding the Fourth Proportional to 35,794.88, 49,396.21 and 19,878.78

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Solution

The fourth proportional to 35,794.88, 49,396.21 and 19,878.78 is: 27,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,794.88 : 49,396.21 = 19,878.78 : x
  2. Step 2: Convert to fraction form
    35,794.88/49,396.21 = 19,878.78/x
  3. Step 3: Cross multiply
    35,794.88x = 49,396.21 × 19,878.78
  4. Step 4: Simplify right side
    35,794.88x = 981,936,391.42
  5. Step 5: Solve for x
    x = 981,936,391.42/35,794.88
  6. Step 6: Final answer
    x = 27,432.32

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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.