Home / 36,905.32-55,366.77-11,945.38

Finding the Fourth Proportional to 36,905.32, 55,366.77 and 11,945.38

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Solution

The fourth proportional to 36,905.32, 55,366.77 and 11,945.38 is: 17,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905.32 : 55,366.77 = 11,945.38 : x
  2. Step 2: Convert to fraction form
    36,905.32/55,366.77 = 11,945.38/x
  3. Step 3: Cross multiply
    36,905.32x = 55,366.77 × 11,945.38
  4. Step 4: Simplify right side
    36,905.32x = 661,376,860.05
  5. Step 5: Solve for x
    x = 661,376,860.05/36,905.32
  6. Step 6: Final answer
    x = 17,920.91

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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.