Home / 36,690.45-55,020.29-11,723.82

Finding the Fourth Proportional to 36,690.45, 55,020.29 and 11,723.82

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Solution

The fourth proportional to 36,690.45, 55,020.29 and 11,723.82 is: 17,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.45 : 55,020.29 = 11,723.82 : x
  2. Step 2: Convert to fraction form
    36,690.45/55,020.29 = 11,723.82/x
  3. Step 3: Cross multiply
    36,690.45x = 55,020.29 × 11,723.82
  4. Step 4: Simplify right side
    36,690.45x = 645,047,917.69
  5. Step 5: Solve for x
    x = 645,047,917.69/36,690.45
  6. Step 6: Final answer
    x = 17,580.81

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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.