Home / 49,143.66-73,744.04-20,678.52

Finding the Fourth Proportional to 49,143.66, 73,744.04 and 20,678.52

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Solution

The fourth proportional to 49,143.66, 73,744.04 and 20,678.52 is: 31,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,143.66 : 73,744.04 = 20,678.52 : x
  2. Step 2: Convert to fraction form
    49,143.66/73,744.04 = 20,678.52/x
  3. Step 3: Cross multiply
    49,143.66x = 73,744.04 × 20,678.52
  4. Step 4: Simplify right side
    49,143.66x = 1,524,917,606.02
  5. Step 5: Solve for x
    x = 1,524,917,606.02/49,143.66
  6. Step 6: Final answer
    x = 31,029.79

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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.