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Finding the Fourth Proportional to 33,692.40, 50,562.90 and 18,885.60

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Solution

The fourth proportional to 33,692.40, 50,562.90 and 18,885.60 is: 28,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,692.40 : 50,562.90 = 18,885.60 : x
  2. Step 2: Convert to fraction form
    33,692.40/50,562.90 = 18,885.60/x
  3. Step 3: Cross multiply
    33,692.40x = 50,562.90 × 18,885.60
  4. Step 4: Simplify right side
    33,692.40x = 954,910,704.24
  5. Step 5: Solve for x
    x = 954,910,704.24/33,692.40
  6. Step 6: Final answer
    x = 28,342.02

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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.