Home / 49,530.75-68,352.57-28,309.98

Finding the Fourth Proportional to 49,530.75, 68,352.57 and 28,309.98

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Solution

The fourth proportional to 49,530.75, 68,352.57 and 28,309.98 is: 39,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,530.75 : 68,352.57 = 28,309.98 : x
  2. Step 2: Convert to fraction form
    49,530.75/68,352.57 = 28,309.98/x
  3. Step 3: Cross multiply
    49,530.75x = 68,352.57 × 28,309.98
  4. Step 4: Simplify right side
    49,530.75x = 1,935,059,889.65
  5. Step 5: Solve for x
    x = 1,935,059,889.65/49,530.75
  6. Step 6: Final answer
    x = 39,067.85

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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.