Home / 49,930.29-68,904.26-28,418.98

Finding the Fourth Proportional to 49,930.29, 68,904.26 and 28,418.98

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Solution

The fourth proportional to 49,930.29, 68,904.26 and 28,418.98 is: 39,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,930.29 : 68,904.26 = 28,418.98 : x
  2. Step 2: Convert to fraction form
    49,930.29/68,904.26 = 28,418.98/x
  3. Step 3: Cross multiply
    49,930.29x = 68,904.26 × 28,418.98
  4. Step 4: Simplify right side
    49,930.29x = 1,958,188,857.90
  5. Step 5: Solve for x
    x = 1,958,188,857.90/49,930.29
  6. Step 6: Final answer
    x = 39,218.46

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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.