Home / 49,220.88-73,848.60-30,731.28

Finding the Fourth Proportional to 49,220.88, 73,848.60 and 30,731.28

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Solution

The fourth proportional to 49,220.88, 73,848.60 and 30,731.28 is: 46,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,220.88 : 73,848.60 = 30,731.28 : x
  2. Step 2: Convert to fraction form
    49,220.88/73,848.60 = 30,731.28/x
  3. Step 3: Cross multiply
    49,220.88x = 73,848.60 × 30,731.28
  4. Step 4: Simplify right side
    49,220.88x = 2,269,462,004.21
  5. Step 5: Solve for x
    x = 2,269,462,004.21/49,220.88
  6. Step 6: Final answer
    x = 46,107.71

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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.