Home / 39,186.36-54,078.24-23,054.80

Finding the Fourth Proportional to 39,186.36, 54,078.24 and 23,054.80

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Solution

The fourth proportional to 39,186.36, 54,078.24 and 23,054.80 is: 31,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,186.36 : 54,078.24 = 23,054.80 : x
  2. Step 2: Convert to fraction form
    39,186.36/54,078.24 = 23,054.80/x
  3. Step 3: Cross multiply
    39,186.36x = 54,078.24 × 23,054.80
  4. Step 4: Simplify right side
    39,186.36x = 1,246,763,007.55
  5. Step 5: Solve for x
    x = 1,246,763,007.55/39,186.36
  6. Step 6: Final answer
    x = 31,816.25

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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.