Home / 36,917.91-55,382.40-11,949.66

Finding the Fourth Proportional to 36,917.91, 55,382.40 and 11,949.66

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Solution

The fourth proportional to 36,917.91, 55,382.40 and 11,949.66 is: 17,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,917.91 : 55,382.40 = 11,949.66 : x
  2. Step 2: Convert to fraction form
    36,917.91/55,382.40 = 11,949.66/x
  3. Step 3: Cross multiply
    36,917.91x = 55,382.40 × 11,949.66
  4. Step 4: Simplify right side
    36,917.91x = 661,800,849.98
  5. Step 5: Solve for x
    x = 661,800,849.98/36,917.91
  6. Step 6: Final answer
    x = 17,926.28

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1.5x scale

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.