Home / 33,878.30-50,611.40-21,934.78

Finding the Fourth Proportional to 33,878.30, 50,611.40 and 21,934.78

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Solution

The fourth proportional to 33,878.30, 50,611.40 and 21,934.78 is: 32,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,878.30 : 50,611.40 = 21,934.78 : x
  2. Step 2: Convert to fraction form
    33,878.30/50,611.40 = 21,934.78/x
  3. Step 3: Cross multiply
    33,878.30x = 50,611.40 × 21,934.78
  4. Step 4: Simplify right side
    33,878.30x = 1,110,149,924.49
  5. Step 5: Solve for x
    x = 1,110,149,924.49/33,878.30
  6. Step 6: Final answer
    x = 32,768.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.