Home / 36,918.12-55,288.86-20,252.52

Finding the Fourth Proportional to 36,918.12, 55,288.86 and 20,252.52

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Solution

The fourth proportional to 36,918.12, 55,288.86 and 20,252.52 is: 30,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,918.12 : 55,288.86 = 20,252.52 : x
  2. Step 2: Convert to fraction form
    36,918.12/55,288.86 = 20,252.52/x
  3. Step 3: Cross multiply
    36,918.12x = 55,288.86 × 20,252.52
  4. Step 4: Simplify right side
    36,918.12x = 1,119,738,742.93
  5. Step 5: Solve for x
    x = 1,119,738,742.93/36,918.12
  6. Step 6: Final answer
    x = 30,330.33

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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.