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Finding the Fourth Proportional to 34,794, 48,016.56 and 20,646.96

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Solution

The fourth proportional to 34,794, 48,016.56 and 20,646.96 is: 28,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,794 : 48,016.56 = 20,646.96 : x
  2. Step 2: Convert to fraction form
    34,794/48,016.56 = 20,646.96/x
  3. Step 3: Cross multiply
    34,794x = 48,016.56 × 20,646.96
  4. Step 4: Simplify right side
    34,794x = 991,395,993.66
  5. Step 5: Solve for x
    x = 991,395,993.66/34,794
  6. Step 6: Final answer
    x = 28,493.30

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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.