Home / 51,982.91-71,736.44-28,109.60

Finding the Fourth Proportional to 51,982.91, 71,736.44 and 28,109.60

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Solution

The fourth proportional to 51,982.91, 71,736.44 and 28,109.60 is: 38,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,982.91 : 71,736.44 = 28,109.60 : x
  2. Step 2: Convert to fraction form
    51,982.91/71,736.44 = 28,109.60/x
  3. Step 3: Cross multiply
    51,982.91x = 71,736.44 × 28,109.60
  4. Step 4: Simplify right side
    51,982.91x = 2,016,482,134.59
  5. Step 5: Solve for x
    x = 2,016,482,134.59/51,982.91
  6. Step 6: Final answer
    x = 38,791.26

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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.