Home / 51,940.48-77,854.56-20,741.44

Finding the Fourth Proportional to 51,940.48, 77,854.56 and 20,741.44

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Solution

The fourth proportional to 51,940.48, 77,854.56 and 20,741.44 is: 31,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,940.48 : 77,854.56 = 20,741.44 : x
  2. Step 2: Convert to fraction form
    51,940.48/77,854.56 = 20,741.44/x
  3. Step 3: Cross multiply
    51,940.48x = 77,854.56 × 20,741.44
  4. Step 4: Simplify right side
    51,940.48x = 1,614,815,684.97
  5. Step 5: Solve for x
    x = 1,614,815,684.97/51,940.48
  6. Step 6: Final answer
    x = 31,089.73

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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.