Home / 36,139.20-54,235.44-17,163.92

Finding the Fourth Proportional to 36,139.20, 54,235.44 and 17,163.92

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Solution

The fourth proportional to 36,139.20, 54,235.44 and 17,163.92 is: 25,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.20 : 54,235.44 = 17,163.92 : x
  2. Step 2: Convert to fraction form
    36,139.20/54,235.44 = 17,163.92/x
  3. Step 3: Cross multiply
    36,139.20x = 54,235.44 × 17,163.92
  4. Step 4: Simplify right side
    36,139.20x = 930,892,482.15
  5. Step 5: Solve for x
    x = 930,892,482.15/36,139.20
  6. Step 6: Final answer
    x = 25,758.52

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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.