Home / 62,997.21-94,505.83-20,878.78

Finding the Fourth Proportional to 62,997.21, 94,505.83 and 20,878.78

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Solution

The fourth proportional to 62,997.21, 94,505.83 and 20,878.78 is: 31,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,997.21 : 94,505.83 = 20,878.78 : x
  2. Step 2: Convert to fraction form
    62,997.21/94,505.83 = 20,878.78/x
  3. Step 3: Cross multiply
    62,997.21x = 94,505.83 × 20,878.78
  4. Step 4: Simplify right side
    62,997.21x = 1,973,165,960.76
  5. Step 5: Solve for x
    x = 1,973,165,960.76/62,997.21
  6. Step 6: Final answer
    x = 31,321.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.