Home / 49,740.44-68,634.78-28,520.60

Finding the Fourth Proportional to 49,740.44, 68,634.78 and 28,520.60

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Solution

The fourth proportional to 49,740.44, 68,634.78 and 28,520.60 is: 39,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,740.44 : 68,634.78 = 28,520.60 : x
  2. Step 2: Convert to fraction form
    49,740.44/68,634.78 = 28,520.60/x
  3. Step 3: Cross multiply
    49,740.44x = 68,634.78 × 28,520.60
  4. Step 4: Simplify right side
    49,740.44x = 1,957,505,106.47
  5. Step 5: Solve for x
    x = 1,957,505,106.47/49,740.44
  6. Step 6: Final answer
    x = 39,354.40

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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.