Home / 33,675.30-50,457.33-20,487.78

Finding the Fourth Proportional to 33,675.30, 50,457.33 and 20,487.78

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Solution

The fourth proportional to 33,675.30, 50,457.33 and 20,487.78 is: 30,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,675.30 : 50,457.33 = 20,487.78 : x
  2. Step 2: Convert to fraction form
    33,675.30/50,457.33 = 20,487.78/x
  3. Step 3: Cross multiply
    33,675.30x = 50,457.33 × 20,487.78
  4. Step 4: Simplify right side
    33,675.30x = 1,033,758,676.43
  5. Step 5: Solve for x
    x = 1,033,758,676.43/33,675.30
  6. Step 6: Final answer
    x = 30,697.83

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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.