Home / 49,989.64-68,982.42-28,765.48

Finding the Fourth Proportional to 49,989.64, 68,982.42 and 28,765.48

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Solution

The fourth proportional to 49,989.64, 68,982.42 and 28,765.48 is: 39,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,989.64 : 68,982.42 = 28,765.48 : x
  2. Step 2: Convert to fraction form
    49,989.64/68,982.42 = 28,765.48/x
  3. Step 3: Cross multiply
    49,989.64x = 68,982.42 × 28,765.48
  4. Step 4: Simplify right side
    49,989.64x = 1,984,312,422.86
  5. Step 5: Solve for x
    x = 1,984,312,422.86/49,989.64
  6. Step 6: Final answer
    x = 39,694.47

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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.