Home / 49,601.76-68,449.68-28,386.24

Finding the Fourth Proportional to 49,601.76, 68,449.68 and 28,386.24

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Solution

The fourth proportional to 49,601.76, 68,449.68 and 28,386.24 is: 39,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,601.76 : 68,449.68 = 28,386.24 : x
  2. Step 2: Convert to fraction form
    49,601.76/68,449.68 = 28,386.24/x
  3. Step 3: Cross multiply
    49,601.76x = 68,449.68 × 28,386.24
  4. Step 4: Simplify right side
    49,601.76x = 1,943,029,044.40
  5. Step 5: Solve for x
    x = 1,943,029,044.40/49,601.76
  6. Step 6: Final answer
    x = 39,172.58

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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.