Home / 49,419.12-68,197.68-28,197.84

Finding the Fourth Proportional to 49,419.12, 68,197.68 and 28,197.84

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Solution

The fourth proportional to 49,419.12, 68,197.68 and 28,197.84 is: 38,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,419.12 : 68,197.68 = 28,197.84 : x
  2. Step 2: Convert to fraction form
    49,419.12/68,197.68 = 28,197.84/x
  3. Step 3: Cross multiply
    49,419.12x = 68,197.68 × 28,197.84
  4. Step 4: Simplify right side
    49,419.12x = 1,923,027,269.01
  5. Step 5: Solve for x
    x = 1,923,027,269.01/49,419.12
  6. Step 6: Final answer
    x = 38,912.62

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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.