Home / 49,991.28-68,977.68-29,841.72

Finding the Fourth Proportional to 49,991.28, 68,977.68 and 29,841.72

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Solution

The fourth proportional to 49,991.28, 68,977.68 and 29,841.72 is: 41,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,991.28 : 68,977.68 = 29,841.72 : x
  2. Step 2: Convert to fraction form
    49,991.28/68,977.68 = 29,841.72/x
  3. Step 3: Cross multiply
    49,991.28x = 68,977.68 × 29,841.72
  4. Step 4: Simplify right side
    49,991.28x = 2,058,412,612.81
  5. Step 5: Solve for x
    x = 2,058,412,612.81/49,991.28
  6. Step 6: Final answer
    x = 41,175.43

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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.