Home / 49,115.10-73,610.70-21,001.92

Finding the Fourth Proportional to 49,115.10, 73,610.70 and 21,001.92

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Solution

The fourth proportional to 49,115.10, 73,610.70 and 21,001.92 is: 31,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,115.10 : 73,610.70 = 21,001.92 : x
  2. Step 2: Convert to fraction form
    49,115.10/73,610.70 = 21,001.92/x
  3. Step 3: Cross multiply
    49,115.10x = 73,610.70 × 21,001.92
  4. Step 4: Simplify right side
    49,115.10x = 1,545,966,032.54
  5. Step 5: Solve for x
    x = 1,545,966,032.54/49,115.10
  6. Step 6: Final answer
    x = 31,476.39

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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.