Home / 36,917.70-55,382.03-11,949.38

Finding the Fourth Proportional to 36,917.70, 55,382.03 and 11,949.38

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Solution

The fourth proportional to 36,917.70, 55,382.03 and 11,949.38 is: 17,925.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,917.70 : 55,382.03 = 11,949.38 : x
  2. Step 2: Convert to fraction form
    36,917.70/55,382.03 = 11,949.38/x
  3. Step 3: Cross multiply
    36,917.70x = 55,382.03 × 11,949.38
  4. Step 4: Simplify right side
    36,917.70x = 661,780,921.64
  5. Step 5: Solve for x
    x = 661,780,921.64/36,917.70
  6. Step 6: Final answer
    x = 17,925.84

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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.