Home / 66,212.31-91,373.99-35,997.57

Finding the Fourth Proportional to 66,212.31, 91,373.99 and 35,997.57

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Solution

The fourth proportional to 66,212.31, 91,373.99 and 35,997.57 is: 49,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,212.31 : 91,373.99 = 35,997.57 : x
  2. Step 2: Convert to fraction form
    66,212.31/91,373.99 = 35,997.57/x
  3. Step 3: Cross multiply
    66,212.31x = 91,373.99 × 35,997.57
  4. Step 4: Simplify right side
    66,212.31x = 3,289,241,144.33
  5. Step 5: Solve for x
    x = 3,289,241,144.33/66,212.31
  6. Step 6: Final answer
    x = 49,677.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.