Home / 61,729.21-85,185.70-36,231.07

Finding the Fourth Proportional to 61,729.21, 85,185.70 and 36,231.07

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Solution

The fourth proportional to 61,729.21, 85,185.70 and 36,231.07 is: 49,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,729.21 : 85,185.70 = 36,231.07 : x
  2. Step 2: Convert to fraction form
    61,729.21/85,185.70 = 36,231.07/x
  3. Step 3: Cross multiply
    61,729.21x = 85,185.70 × 36,231.07
  4. Step 4: Simplify right side
    61,729.21x = 3,086,369,257.36
  5. Step 5: Solve for x
    x = 3,086,369,257.36/61,729.21
  6. Step 6: Final answer
    x = 49,998.52

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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.