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Finding the Fourth Proportional to 50,914.80, 76,372.20 and 33,200.40

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Solution

The fourth proportional to 50,914.80, 76,372.20 and 33,200.40 is: 49,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,914.80 : 76,372.20 = 33,200.40 : x
  2. Step 2: Convert to fraction form
    50,914.80/76,372.20 = 33,200.40/x
  3. Step 3: Cross multiply
    50,914.80x = 76,372.20 × 33,200.40
  4. Step 4: Simplify right side
    50,914.80x = 2,535,587,588.88
  5. Step 5: Solve for x
    x = 2,535,587,588.88/50,914.80
  6. Step 6: Final answer
    x = 49,800.60

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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.