Home / 39,190.36-54,105.13-25,800.54

Finding the Fourth Proportional to 39,190.36, 54,105.13 and 25,800.54

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Solution

The fourth proportional to 39,190.36, 54,105.13 and 25,800.54 is: 35,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,190.36 : 54,105.13 = 25,800.54 : x
  2. Step 2: Convert to fraction form
    39,190.36/54,105.13 = 25,800.54/x
  3. Step 3: Cross multiply
    39,190.36x = 54,105.13 × 25,800.54
  4. Step 4: Simplify right side
    39,190.36x = 1,395,941,709.75
  5. Step 5: Solve for x
    x = 1,395,941,709.75/39,190.36
  6. Step 6: Final answer
    x = 35,619.52

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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.