Home / 49,966.78-68,955-29,819.75

Finding the Fourth Proportional to 49,966.78, 68,955 and 29,819.75

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Solution

The fourth proportional to 49,966.78, 68,955 and 29,819.75 is: 41,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,966.78 : 68,955 = 29,819.75 : x
  2. Step 2: Convert to fraction form
    49,966.78/68,955 = 29,819.75/x
  3. Step 3: Cross multiply
    49,966.78x = 68,955 × 29,819.75
  4. Step 4: Simplify right side
    49,966.78x = 2,056,220,861.25
  5. Step 5: Solve for x
    x = 2,056,220,861.25/49,966.78
  6. Step 6: Final answer
    x = 41,151.76

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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.