Home / 53,845.96-80,768.22-18,785.44

Finding the Fourth Proportional to 53,845.96, 80,768.22 and 18,785.44

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Solution

The fourth proportional to 53,845.96, 80,768.22 and 18,785.44 is: 28,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,845.96 : 80,768.22 = 18,785.44 : x
  2. Step 2: Convert to fraction form
    53,845.96/80,768.22 = 18,785.44/x
  3. Step 3: Cross multiply
    53,845.96x = 80,768.22 × 18,785.44
  4. Step 4: Simplify right side
    53,845.96x = 1,517,266,550.72
  5. Step 5: Solve for x
    x = 1,517,266,550.72/53,845.96
  6. Step 6: Final answer
    x = 28,177.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.