Home / 45,745.64-68,651.28-19,468.84

Finding the Fourth Proportional to 45,745.64, 68,651.28 and 19,468.84

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Solution

The fourth proportional to 45,745.64, 68,651.28 and 19,468.84 is: 29,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,745.64 : 68,651.28 = 19,468.84 : x
  2. Step 2: Convert to fraction form
    45,745.64/68,651.28 = 19,468.84/x
  3. Step 3: Cross multiply
    45,745.64x = 68,651.28 × 19,468.84
  4. Step 4: Simplify right side
    45,745.64x = 1,336,560,786.12
  5. Step 5: Solve for x
    x = 1,336,560,786.12/45,745.64
  6. Step 6: Final answer
    x = 29,217.23

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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.