Home / 33,878.75-50,808.53-21,380.05

Finding the Fourth Proportional to 33,878.75, 50,808.53 and 21,380.05

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Solution

The fourth proportional to 33,878.75, 50,808.53 and 21,380.05 is: 32,064.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,878.75 : 50,808.53 = 21,380.05 : x
  2. Step 2: Convert to fraction form
    33,878.75/50,808.53 = 21,380.05/x
  3. Step 3: Cross multiply
    33,878.75x = 50,808.53 × 21,380.05
  4. Step 4: Simplify right side
    33,878.75x = 1,086,288,911.83
  5. Step 5: Solve for x
    x = 1,086,288,911.83/33,878.75
  6. Step 6: Final answer
    x = 32,064.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.