Home / 36,969.15-55,471.22-19,190.36

Finding the Fourth Proportional to 36,969.15, 55,471.22 and 19,190.36

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Solution

The fourth proportional to 36,969.15, 55,471.22 and 19,190.36 is: 28,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,969.15 : 55,471.22 = 19,190.36 : x
  2. Step 2: Convert to fraction form
    36,969.15/55,471.22 = 19,190.36/x
  3. Step 3: Cross multiply
    36,969.15x = 55,471.22 × 19,190.36
  4. Step 4: Simplify right side
    36,969.15x = 1,064,512,796.13
  5. Step 5: Solve for x
    x = 1,064,512,796.13/36,969.15
  6. Step 6: Final answer
    x = 28,794.62

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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.