Home / 40,773.88-61,167.66-12,687.33

Finding the Fourth Proportional to 40,773.88, 61,167.66 and 12,687.33

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Solution

The fourth proportional to 40,773.88, 61,167.66 and 12,687.33 is: 19,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,773.88 : 61,167.66 = 12,687.33 : x
  2. Step 2: Convert to fraction form
    40,773.88/61,167.66 = 12,687.33/x
  3. Step 3: Cross multiply
    40,773.88x = 61,167.66 × 12,687.33
  4. Step 4: Simplify right side
    40,773.88x = 776,054,469.55
  5. Step 5: Solve for x
    x = 776,054,469.55/40,773.88
  6. Step 6: Final answer
    x = 19,033.13

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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.