Home / 34,321.32-51,416.64-19,540.44

Finding the Fourth Proportional to 34,321.32, 51,416.64 and 19,540.44

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Solution

The fourth proportional to 34,321.32, 51,416.64 and 19,540.44 is: 29,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,321.32 : 51,416.64 = 19,540.44 : x
  2. Step 2: Convert to fraction form
    34,321.32/51,416.64 = 19,540.44/x
  3. Step 3: Cross multiply
    34,321.32x = 51,416.64 × 19,540.44
  4. Step 4: Simplify right side
    34,321.32x = 1,004,703,768.92
  5. Step 5: Solve for x
    x = 1,004,703,768.92/34,321.32
  6. Step 6: Final answer
    x = 29,273.46

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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.