Home / 49,399.20-73,989.45-19,801.80

Finding the Fourth Proportional to 49,399.20, 73,989.45 and 19,801.80

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Solution

The fourth proportional to 49,399.20, 73,989.45 and 19,801.80 is: 29,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,399.20 : 73,989.45 = 19,801.80 : x
  2. Step 2: Convert to fraction form
    49,399.20/73,989.45 = 19,801.80/x
  3. Step 3: Cross multiply
    49,399.20x = 73,989.45 × 19,801.80
  4. Step 4: Simplify right side
    49,399.20x = 1,465,124,291.01
  5. Step 5: Solve for x
    x = 1,465,124,291.01/49,399.20
  6. Step 6: Final answer
    x = 29,658.87

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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.