Home / 36,917.12-55,287.36-20,251.52

Finding the Fourth Proportional to 36,917.12, 55,287.36 and 20,251.52

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Solution

The fourth proportional to 36,917.12, 55,287.36 and 20,251.52 is: 30,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,917.12 : 55,287.36 = 20,251.52 : x
  2. Step 2: Convert to fraction form
    36,917.12/55,287.36 = 20,251.52/x
  3. Step 3: Cross multiply
    36,917.12x = 55,287.36 × 20,251.52
  4. Step 4: Simplify right side
    36,917.12x = 1,119,653,076.79
  5. Step 5: Solve for x
    x = 1,119,653,076.79/36,917.12
  6. Step 6: Final answer
    x = 30,328.83

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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.