Home / 39,383.21-54,350.19-22,388.16

Finding the Fourth Proportional to 39,383.21, 54,350.19 and 22,388.16

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Solution

The fourth proportional to 39,383.21, 54,350.19 and 22,388.16 is: 30,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383.21 : 54,350.19 = 22,388.16 : x
  2. Step 2: Convert to fraction form
    39,383.21/54,350.19 = 22,388.16/x
  3. Step 3: Cross multiply
    39,383.21x = 54,350.19 × 22,388.16
  4. Step 4: Simplify right side
    39,383.21x = 1,216,800,749.75
  5. Step 5: Solve for x
    x = 1,216,800,749.75/39,383.21
  6. Step 6: Final answer
    x = 30,896.43

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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.