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Finding the Fourth Proportional to 33,460.80, 50,183.20 and 19,390.40

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Solution

The fourth proportional to 33,460.80, 50,183.20 and 19,390.40 is: 29,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,460.80 : 50,183.20 = 19,390.40 : x
  2. Step 2: Convert to fraction form
    33,460.80/50,183.20 = 19,390.40/x
  3. Step 3: Cross multiply
    33,460.80x = 50,183.20 × 19,390.40
  4. Step 4: Simplify right side
    33,460.80x = 973,072,321.28
  5. Step 5: Solve for x
    x = 973,072,321.28/33,460.80
  6. Step 6: Final answer
    x = 29,080.96

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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.