Home / 33,380.38-50,069.26-8,420.10

Finding the Fourth Proportional to 33,380.38, 50,069.26 and 8,420.10

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Solution

The fourth proportional to 33,380.38, 50,069.26 and 8,420.10 is: 12,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,380.38 : 50,069.26 = 8,420.10 : x
  2. Step 2: Convert to fraction form
    33,380.38/50,069.26 = 8,420.10/x
  3. Step 3: Cross multiply
    33,380.38x = 50,069.26 × 8,420.10
  4. Step 4: Simplify right side
    33,380.38x = 421,588,176.13
  5. Step 5: Solve for x
    x = 421,588,176.13/33,380.38
  6. Step 6: Final answer
    x = 12,629.82

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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.