Home / 52,896.96-79,345.74-21,321.54

Finding the Fourth Proportional to 52,896.96, 79,345.74 and 21,321.54

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Solution

The fourth proportional to 52,896.96, 79,345.74 and 21,321.54 is: 31,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,896.96 : 79,345.74 = 21,321.54 : x
  2. Step 2: Convert to fraction form
    52,896.96/79,345.74 = 21,321.54/x
  3. Step 3: Cross multiply
    52,896.96x = 79,345.74 × 21,321.54
  4. Step 4: Simplify right side
    52,896.96x = 1,691,773,369.24
  5. Step 5: Solve for x
    x = 1,691,773,369.24/52,896.96
  6. Step 6: Final answer
    x = 31,982.43

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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.