Home / 33,771.60-50,657.40-28,231.20

Finding the Fourth Proportional to 33,771.60, 50,657.40 and 28,231.20

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Solution

The fourth proportional to 33,771.60, 50,657.40 and 28,231.20 is: 42,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,771.60 : 50,657.40 = 28,231.20 : x
  2. Step 2: Convert to fraction form
    33,771.60/50,657.40 = 28,231.20/x
  3. Step 3: Cross multiply
    33,771.60x = 50,657.40 × 28,231.20
  4. Step 4: Simplify right side
    33,771.60x = 1,430,119,190.88
  5. Step 5: Solve for x
    x = 1,430,119,190.88/33,771.60
  6. Step 6: Final answer
    x = 42,346.80

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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.