Home / 51,078.60-76,618.04-15,540.26

Finding the Fourth Proportional to 51,078.60, 76,618.04 and 15,540.26

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Solution

The fourth proportional to 51,078.60, 76,618.04 and 15,540.26 is: 23,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,078.60 : 76,618.04 = 15,540.26 : x
  2. Step 2: Convert to fraction form
    51,078.60/76,618.04 = 15,540.26/x
  3. Step 3: Cross multiply
    51,078.60x = 76,618.04 × 15,540.26
  4. Step 4: Simplify right side
    51,078.60x = 1,190,663,801.50
  5. Step 5: Solve for x
    x = 1,190,663,801.50/51,078.60
  6. Step 6: Final answer
    x = 23,310.42

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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.