Home / 53,183.25-79,797.74-19,899.09

Finding the Fourth Proportional to 53,183.25, 79,797.74 and 19,899.09

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Solution

The fourth proportional to 53,183.25, 79,797.74 and 19,899.09 is: 29,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,183.25 : 79,797.74 = 19,899.09 : x
  2. Step 2: Convert to fraction form
    53,183.25/79,797.74 = 19,899.09/x
  3. Step 3: Cross multiply
    53,183.25x = 79,797.74 × 19,899.09
  4. Step 4: Simplify right side
    53,183.25x = 1,587,902,310.56
  5. Step 5: Solve for x
    x = 1,587,902,310.56/53,183.25
  6. Step 6: Final answer
    x = 29,857.19

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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.