Home / 49,760.82-68,676.21-28,539.63

Finding the Fourth Proportional to 49,760.82, 68,676.21 and 28,539.63

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Solution

The fourth proportional to 49,760.82, 68,676.21 and 28,539.63 is: 39,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,760.82 : 68,676.21 = 28,539.63 : x
  2. Step 2: Convert to fraction form
    49,760.82/68,676.21 = 28,539.63/x
  3. Step 3: Cross multiply
    49,760.82x = 68,676.21 × 28,539.63
  4. Step 4: Simplify right side
    49,760.82x = 1,959,993,623.20
  5. Step 5: Solve for x
    x = 1,959,993,623.20/49,760.82
  6. Step 6: Final answer
    x = 39,388.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.