Home / 49,855.97-68,801.29-28,639.34

Finding the Fourth Proportional to 49,855.97, 68,801.29 and 28,639.34

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Solution

The fourth proportional to 49,855.97, 68,801.29 and 28,639.34 is: 39,522.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,855.97 : 68,801.29 = 28,639.34 : x
  2. Step 2: Convert to fraction form
    49,855.97/68,801.29 = 28,639.34/x
  3. Step 3: Cross multiply
    49,855.97x = 68,801.29 × 28,639.34
  4. Step 4: Simplify right side
    49,855.97x = 1,970,423,536.75
  5. Step 5: Solve for x
    x = 1,970,423,536.75/49,855.97
  6. Step 6: Final answer
    x = 39,522.32

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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.