Home / 49,326.40-68,057.31-28,105.21

Finding the Fourth Proportional to 49,326.40, 68,057.31 and 28,105.21

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Solution

The fourth proportional to 49,326.40, 68,057.31 and 28,105.21 is: 38,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,326.40 : 68,057.31 = 28,105.21 : x
  2. Step 2: Convert to fraction form
    49,326.40/68,057.31 = 28,105.21/x
  3. Step 3: Cross multiply
    49,326.40x = 68,057.31 × 28,105.21
  4. Step 4: Simplify right side
    49,326.40x = 1,912,764,989.59
  5. Step 5: Solve for x
    x = 1,912,764,989.59/49,326.40
  6. Step 6: Final answer
    x = 38,777.71

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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.