Home / 53,960.41-80,963.97-28,971.29

Finding the Fourth Proportional to 53,960.41, 80,963.97 and 28,971.29

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Solution

The fourth proportional to 53,960.41, 80,963.97 and 28,971.29 is: 43,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,960.41 : 80,963.97 = 28,971.29 : x
  2. Step 2: Convert to fraction form
    53,960.41/80,963.97 = 28,971.29/x
  3. Step 3: Cross multiply
    53,960.41x = 80,963.97 × 28,971.29
  4. Step 4: Simplify right side
    53,960.41x = 2,345,630,654.42
  5. Step 5: Solve for x
    x = 2,345,630,654.42/53,960.41
  6. Step 6: Final answer
    x = 43,469.48

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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.