Home / 51,942.44-71,680.59-28,069.12

Finding the Fourth Proportional to 51,942.44, 71,680.59 and 28,069.12

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Solution

The fourth proportional to 51,942.44, 71,680.59 and 28,069.12 is: 38,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,942.44 : 71,680.59 = 28,069.12 : x
  2. Step 2: Convert to fraction form
    51,942.44/71,680.59 = 28,069.12/x
  3. Step 3: Cross multiply
    51,942.44x = 71,680.59 × 28,069.12
  4. Step 4: Simplify right side
    51,942.44x = 2,012,010,723.98
  5. Step 5: Solve for x
    x = 2,012,010,723.98/51,942.44
  6. Step 6: Final answer
    x = 38,735.39

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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.