Home / 49,431.03-68,213.25-29,288.04

Finding the Fourth Proportional to 49,431.03, 68,213.25 and 29,288.04

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Solution

The fourth proportional to 49,431.03, 68,213.25 and 29,288.04 is: 40,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,431.03 : 68,213.25 = 29,288.04 : x
  2. Step 2: Convert to fraction form
    49,431.03/68,213.25 = 29,288.04/x
  3. Step 3: Cross multiply
    49,431.03x = 68,213.25 × 29,288.04
  4. Step 4: Simplify right side
    49,431.03x = 1,997,832,394.53
  5. Step 5: Solve for x
    x = 1,997,832,394.53/49,431.03
  6. Step 6: Final answer
    x = 40,416.56

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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.