Home / 49,313.28-73,939.10-20,835.59

Finding the Fourth Proportional to 49,313.28, 73,939.10 and 20,835.59

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Solution

The fourth proportional to 49,313.28, 73,939.10 and 20,835.59 is: 31,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,313.28 : 73,939.10 = 20,835.59 : x
  2. Step 2: Convert to fraction form
    49,313.28/73,939.10 = 20,835.59/x
  3. Step 3: Cross multiply
    49,313.28x = 73,939.10 × 20,835.59
  4. Step 4: Simplify right side
    49,313.28x = 1,540,564,772.57
  5. Step 5: Solve for x
    x = 1,540,564,772.57/49,313.28
  6. Step 6: Final answer
    x = 31,240.36

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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.