Home / 49,288.40-73,942.20-21,208.40

Finding the Fourth Proportional to 49,288.40, 73,942.20 and 21,208.40

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Solution

The fourth proportional to 49,288.40, 73,942.20 and 21,208.40 is: 31,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,288.40 : 73,942.20 = 21,208.40 : x
  2. Step 2: Convert to fraction form
    49,288.40/73,942.20 = 21,208.40/x
  3. Step 3: Cross multiply
    49,288.40x = 73,942.20 × 21,208.40
  4. Step 4: Simplify right side
    49,288.40x = 1,568,195,754.48
  5. Step 5: Solve for x
    x = 1,568,195,754.48/49,288.40
  6. Step 6: Final answer
    x = 31,816.73

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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.