Home / 49,789.85-68,706.11-28,564.61

Finding the Fourth Proportional to 49,789.85, 68,706.11 and 28,564.61

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Solution

The fourth proportional to 49,789.85, 68,706.11 and 28,564.61 is: 39,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,789.85 : 68,706.11 = 28,564.61 : x
  2. Step 2: Convert to fraction form
    49,789.85/68,706.11 = 28,564.61/x
  3. Step 3: Cross multiply
    49,789.85x = 68,706.11 × 28,564.61
  4. Step 4: Simplify right side
    49,789.85x = 1,962,563,093.94
  5. Step 5: Solve for x
    x = 1,962,563,093.94/49,789.85
  6. Step 6: Final answer
    x = 39,416.93

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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.