Home / 49,990.96-68,993.33-28,488.50

Finding the Fourth Proportional to 49,990.96, 68,993.33 and 28,488.50

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Solution

The fourth proportional to 49,990.96, 68,993.33 and 28,488.50 is: 39,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,990.96 : 68,993.33 = 28,488.50 : x
  2. Step 2: Convert to fraction form
    49,990.96/68,993.33 = 28,488.50/x
  3. Step 3: Cross multiply
    49,990.96x = 68,993.33 × 28,488.50
  4. Step 4: Simplify right side
    49,990.96x = 1,965,516,481.71
  5. Step 5: Solve for x
    x = 1,965,516,481.71/49,990.96
  6. Step 6: Final answer
    x = 39,317.44

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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.