Home / 34,175.06-47,166.78-20,743.73

Finding the Fourth Proportional to 34,175.06, 47,166.78 and 20,743.73

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Solution

The fourth proportional to 34,175.06, 47,166.78 and 20,743.73 is: 28,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,175.06 : 47,166.78 = 20,743.73 : x
  2. Step 2: Convert to fraction form
    34,175.06/47,166.78 = 20,743.73/x
  3. Step 3: Cross multiply
    34,175.06x = 47,166.78 × 20,743.73
  4. Step 4: Simplify right side
    34,175.06x = 978,414,949.29
  5. Step 5: Solve for x
    x = 978,414,949.29/34,175.06
  6. Step 6: Final answer
    x = 28,629.50

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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.