Home / 81,091.82-121,649.38-24,936.66

Finding the Fourth Proportional to 81,091.82, 121,649.38 and 24,936.66

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Solution

The fourth proportional to 81,091.82, 121,649.38 and 24,936.66 is: 37,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,091.82 : 121,649.38 = 24,936.66 : x
  2. Step 2: Convert to fraction form
    81,091.82/121,649.38 = 24,936.66/x
  3. Step 3: Cross multiply
    81,091.82x = 121,649.38 × 24,936.66
  4. Step 4: Simplify right side
    81,091.82x = 3,033,529,228.27
  5. Step 5: Solve for x
    x = 3,033,529,228.27/81,091.82
  6. Step 6: Final answer
    x = 37,408.57

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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.