Home / 51,981.98-71,735.09-28,108.44

Finding the Fourth Proportional to 51,981.98, 71,735.09 and 28,108.44

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Solution

The fourth proportional to 51,981.98, 71,735.09 and 28,108.44 is: 38,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981.98 : 71,735.09 = 28,108.44 : x
  2. Step 2: Convert to fraction form
    51,981.98/71,735.09 = 28,108.44/x
  3. Step 3: Cross multiply
    51,981.98x = 71,735.09 × 28,108.44
  4. Step 4: Simplify right side
    51,981.98x = 2,016,361,332.62
  5. Step 5: Solve for x
    x = 2,016,361,332.62/51,981.98
  6. Step 6: Final answer
    x = 38,789.63

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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.