Home / 49,912.60-68,882-28,693.84

Finding the Fourth Proportional to 49,912.60, 68,882 and 28,693.84

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Solution

The fourth proportional to 49,912.60, 68,882 and 28,693.84 is: 39,599.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,912.60 : 68,882 = 28,693.84 : x
  2. Step 2: Convert to fraction form
    49,912.60/68,882 = 28,693.84/x
  3. Step 3: Cross multiply
    49,912.60x = 68,882 × 28,693.84
  4. Step 4: Simplify right side
    49,912.60x = 1,976,489,086.88
  5. Step 5: Solve for x
    x = 1,976,489,086.88/49,912.60
  6. Step 6: Final answer
    x = 39,599.00

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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.