Home / 49,446.21-68,238.54-28,229.88

Finding the Fourth Proportional to 49,446.21, 68,238.54 and 28,229.88

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Solution

The fourth proportional to 49,446.21, 68,238.54 and 28,229.88 is: 38,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,446.21 : 68,238.54 = 28,229.88 : x
  2. Step 2: Convert to fraction form
    49,446.21/68,238.54 = 28,229.88/x
  3. Step 3: Cross multiply
    49,446.21x = 68,238.54 × 28,229.88
  4. Step 4: Simplify right side
    49,446.21x = 1,926,365,795.58
  5. Step 5: Solve for x
    x = 1,926,365,795.58/49,446.21
  6. Step 6: Final answer
    x = 38,958.82

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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.