Home / 51,620.48-71,229.43-28,958.60

Finding the Fourth Proportional to 51,620.48, 71,229.43 and 28,958.60

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Solution

The fourth proportional to 51,620.48, 71,229.43 and 28,958.60 is: 39,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,620.48 : 71,229.43 = 28,958.60 : x
  2. Step 2: Convert to fraction form
    51,620.48/71,229.43 = 28,958.60/x
  3. Step 3: Cross multiply
    51,620.48x = 71,229.43 × 28,958.60
  4. Step 4: Simplify right side
    51,620.48x = 2,062,704,677.28
  5. Step 5: Solve for x
    x = 2,062,704,677.28/51,620.48
  6. Step 6: Final answer
    x = 39,959.04

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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.