Home / 36,669.88-55,004.82-19,135.61

Finding the Fourth Proportional to 36,669.88, 55,004.82 and 19,135.61

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Solution

The fourth proportional to 36,669.88, 55,004.82 and 19,135.61 is: 28,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,669.88 : 55,004.82 = 19,135.61 : x
  2. Step 2: Convert to fraction form
    36,669.88/55,004.82 = 19,135.61/x
  3. Step 3: Cross multiply
    36,669.88x = 55,004.82 × 19,135.61
  4. Step 4: Simplify right side
    36,669.88x = 1,052,550,783.64
  5. Step 5: Solve for x
    x = 1,052,550,783.64/36,669.88
  6. Step 6: Final answer
    x = 28,703.42

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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.