Home / 33,380.27-50,068.58-8,420.33

Finding the Fourth Proportional to 33,380.27, 50,068.58 and 8,420.33

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Solution

The fourth proportional to 33,380.27, 50,068.58 and 8,420.33 is: 12,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,380.27 : 50,068.58 = 8,420.33 : x
  2. Step 2: Convert to fraction form
    33,380.27/50,068.58 = 8,420.33/x
  3. Step 3: Cross multiply
    33,380.27x = 50,068.58 × 8,420.33
  4. Step 4: Simplify right side
    33,380.27x = 421,593,673.79
  5. Step 5: Solve for x
    x = 421,593,673.79/33,380.27
  6. Step 6: Final answer
    x = 12,630.03

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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.