Home / 45,519.24-68,231.96-17,431.64

Finding the Fourth Proportional to 45,519.24, 68,231.96 and 17,431.64

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Solution

The fourth proportional to 45,519.24, 68,231.96 and 17,431.64 is: 26,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,519.24 : 68,231.96 = 17,431.64 : x
  2. Step 2: Convert to fraction form
    45,519.24/68,231.96 = 17,431.64/x
  3. Step 3: Cross multiply
    45,519.24x = 68,231.96 × 17,431.64
  4. Step 4: Simplify right side
    45,519.24x = 1,189,394,963.21
  5. Step 5: Solve for x
    x = 1,189,394,963.21/45,519.24
  6. Step 6: Final answer
    x = 26,129.50

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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.