Home / 33,621.20-50,431.80-8,997.20

Finding the Fourth Proportional to 33,621.20, 50,431.80 and 8,997.20

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Solution

The fourth proportional to 33,621.20, 50,431.80 and 8,997.20 is: 13,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,621.20 : 50,431.80 = 8,997.20 : x
  2. Step 2: Convert to fraction form
    33,621.20/50,431.80 = 8,997.20/x
  3. Step 3: Cross multiply
    33,621.20x = 50,431.80 × 8,997.20
  4. Step 4: Simplify right side
    33,621.20x = 453,744,990.96
  5. Step 5: Solve for x
    x = 453,744,990.96/33,621.20
  6. Step 6: Final answer
    x = 13,495.80

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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.