Home / 39,879.56-55,033.44-23,963.60

Finding the Fourth Proportional to 39,879.56, 55,033.44 and 23,963.60

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Solution

The fourth proportional to 39,879.56, 55,033.44 and 23,963.60 is: 33,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,879.56 : 55,033.44 = 23,963.60 : x
  2. Step 2: Convert to fraction form
    39,879.56/55,033.44 = 23,963.60/x
  3. Step 3: Cross multiply
    39,879.56x = 55,033.44 × 23,963.60
  4. Step 4: Simplify right side
    39,879.56x = 1,318,799,342.78
  5. Step 5: Solve for x
    x = 1,318,799,342.78/39,879.56
  6. Step 6: Final answer
    x = 33,069.56

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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.