Home / 49,856.97-68,802.68-28,640.34

Finding the Fourth Proportional to 49,856.97, 68,802.68 and 28,640.34

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Solution

The fourth proportional to 49,856.97, 68,802.68 and 28,640.34 is: 39,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,856.97 : 68,802.68 = 28,640.34 : x
  2. Step 2: Convert to fraction form
    49,856.97/68,802.68 = 28,640.34/x
  3. Step 3: Cross multiply
    49,856.97x = 68,802.68 × 28,640.34
  4. Step 4: Simplify right side
    49,856.97x = 1,970,532,148.11
  5. Step 5: Solve for x
    x = 1,970,532,148.11/49,856.97
  6. Step 6: Final answer
    x = 39,523.70

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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.