Home / 39,952.36-55,120.74-23,179.24

Finding the Fourth Proportional to 39,952.36, 55,120.74 and 23,179.24

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Solution

The fourth proportional to 39,952.36, 55,120.74 and 23,179.24 is: 31,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,952.36 : 55,120.74 = 23,179.24 : x
  2. Step 2: Convert to fraction form
    39,952.36/55,120.74 = 23,179.24/x
  3. Step 3: Cross multiply
    39,952.36x = 55,120.74 × 23,179.24
  4. Step 4: Simplify right side
    39,952.36x = 1,277,656,861.44
  5. Step 5: Solve for x
    x = 1,277,656,861.44/39,952.36
  6. Step 6: Final answer
    x = 31,979.51

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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.