Home / 49,474.67-68,276.34-28,253.48

Finding the Fourth Proportional to 49,474.67, 68,276.34 and 28,253.48

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Solution

The fourth proportional to 49,474.67, 68,276.34 and 28,253.48 is: 38,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,474.67 : 68,276.34 = 28,253.48 : x
  2. Step 2: Convert to fraction form
    49,474.67/68,276.34 = 28,253.48/x
  3. Step 3: Cross multiply
    49,474.67x = 68,276.34 × 28,253.48
  4. Step 4: Simplify right side
    49,474.67x = 1,929,043,865.28
  5. Step 5: Solve for x
    x = 1,929,043,865.28/49,474.67
  6. Step 6: Final answer
    x = 38,990.54

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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.