Home / 33,670.20-50,408.10-20,548.20

Finding the Fourth Proportional to 33,670.20, 50,408.10 and 20,548.20

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Solution

The fourth proportional to 33,670.20, 50,408.10 and 20,548.20 is: 30,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,670.20 : 50,408.10 = 20,548.20 : x
  2. Step 2: Convert to fraction form
    33,670.20/50,408.10 = 20,548.20/x
  3. Step 3: Cross multiply
    33,670.20x = 50,408.10 × 20,548.20
  4. Step 4: Simplify right side
    33,670.20x = 1,035,795,720.42
  5. Step 5: Solve for x
    x = 1,035,795,720.42/33,670.20
  6. Step 6: Final answer
    x = 30,762.98

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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.