Home / 39,238.20-54,161.10-25,091.10

Finding the Fourth Proportional to 39,238.20, 54,161.10 and 25,091.10

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Solution

The fourth proportional to 39,238.20, 54,161.10 and 25,091.10 is: 34,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.20 : 54,161.10 = 25,091.10 : x
  2. Step 2: Convert to fraction form
    39,238.20/54,161.10 = 25,091.10/x
  3. Step 3: Cross multiply
    39,238.20x = 54,161.10 × 25,091.10
  4. Step 4: Simplify right side
    39,238.20x = 1,358,961,576.21
  5. Step 5: Solve for x
    x = 1,358,961,576.21/39,238.20
  6. Step 6: Final answer
    x = 34,633.64

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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.