Home / 33,515.30-50,214.87-20,340.06

Finding the Fourth Proportional to 33,515.30, 50,214.87 and 20,340.06

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Solution

The fourth proportional to 33,515.30, 50,214.87 and 20,340.06 is: 30,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,515.30 : 50,214.87 = 20,340.06 : x
  2. Step 2: Convert to fraction form
    33,515.30/50,214.87 = 20,340.06/x
  3. Step 3: Cross multiply
    33,515.30x = 50,214.87 × 20,340.06
  4. Step 4: Simplify right side
    33,515.30x = 1,021,373,468.69
  5. Step 5: Solve for x
    x = 1,021,373,468.69/33,515.30
  6. Step 6: Final answer
    x = 30,474.85

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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.