Home / 36,128.20-54,163.14-33,212.20

Finding the Fourth Proportional to 36,128.20, 54,163.14 and 33,212.20

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Solution

The fourth proportional to 36,128.20, 54,163.14 and 33,212.20 is: 49,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,128.20 : 54,163.14 = 33,212.20 : x
  2. Step 2: Convert to fraction form
    36,128.20/54,163.14 = 33,212.20/x
  3. Step 3: Cross multiply
    36,128.20x = 54,163.14 × 33,212.20
  4. Step 4: Simplify right side
    36,128.20x = 1,798,877,038.31
  5. Step 5: Solve for x
    x = 1,798,877,038.31/36,128.20
  6. Step 6: Final answer
    x = 49,791.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.