Home / 52,201.11-72,037.73-28,327.78

Finding the Fourth Proportional to 52,201.11, 72,037.73 and 28,327.78

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Solution

The fourth proportional to 52,201.11, 72,037.73 and 28,327.78 is: 39,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,201.11 : 72,037.73 = 28,327.78 : x
  2. Step 2: Convert to fraction form
    52,201.11/72,037.73 = 28,327.78/x
  3. Step 3: Cross multiply
    52,201.11x = 72,037.73 × 28,327.78
  4. Step 4: Simplify right side
    52,201.11x = 2,040,668,967.14
  5. Step 5: Solve for x
    x = 2,040,668,967.14/52,201.11
  6. Step 6: Final answer
    x = 39,092.44

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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.