Home / 49,201.28-73,801.83-21,103.20

Finding the Fourth Proportional to 49,201.28, 73,801.83 and 21,103.20

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Solution

The fourth proportional to 49,201.28, 73,801.83 and 21,103.20 is: 31,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,201.28 : 73,801.83 = 21,103.20 : x
  2. Step 2: Convert to fraction form
    49,201.28/73,801.83 = 21,103.20/x
  3. Step 3: Cross multiply
    49,201.28x = 73,801.83 × 21,103.20
  4. Step 4: Simplify right side
    49,201.28x = 1,557,454,778.86
  5. Step 5: Solve for x
    x = 1,557,454,778.86/49,201.28
  6. Step 6: Final answer
    x = 31,654.76

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1.5x scale

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.