Home / 50,321.76-75,498.40-20,753.52

Finding the Fourth Proportional to 50,321.76, 75,498.40 and 20,753.52

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Solution

The fourth proportional to 50,321.76, 75,498.40 and 20,753.52 is: 31,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,321.76 : 75,498.40 = 20,753.52 : x
  2. Step 2: Convert to fraction form
    50,321.76/75,498.40 = 20,753.52/x
  3. Step 3: Cross multiply
    50,321.76x = 75,498.40 × 20,753.52
  4. Step 4: Simplify right side
    50,321.76x = 1,566,857,554.37
  5. Step 5: Solve for x
    x = 1,566,857,554.37/50,321.76
  6. Step 6: Final answer
    x = 31,136.78

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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.