Home / 34,273.36-47,297.87-20,845.18

Finding the Fourth Proportional to 34,273.36, 47,297.87 and 20,845.18

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Solution

The fourth proportional to 34,273.36, 47,297.87 and 20,845.18 is: 28,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,273.36 : 47,297.87 = 20,845.18 : x
  2. Step 2: Convert to fraction form
    34,273.36/47,297.87 = 20,845.18/x
  3. Step 3: Cross multiply
    34,273.36x = 47,297.87 × 20,845.18
  4. Step 4: Simplify right side
    34,273.36x = 985,932,613.77
  5. Step 5: Solve for x
    x = 985,932,613.77/34,273.36
  6. Step 6: Final answer
    x = 28,766.73

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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.