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Finding the Fourth Proportional to 52,879.80, 72,954 and 33,760.29

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Solution

The fourth proportional to 52,879.80, 72,954 and 33,760.29 is: 46,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.80 : 72,954 = 33,760.29 : x
  2. Step 2: Convert to fraction form
    52,879.80/72,954 = 33,760.29/x
  3. Step 3: Cross multiply
    52,879.80x = 72,954 × 33,760.29
  4. Step 4: Simplify right side
    52,879.80x = 2,462,948,196.66
  5. Step 5: Solve for x
    x = 2,462,948,196.66/52,879.80
  6. Step 6: Final answer
    x = 46,576.35

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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.