Home / 53,936.91-74,435.49-30,063.78

Finding the Fourth Proportional to 53,936.91, 74,435.49 and 30,063.78

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Solution

The fourth proportional to 53,936.91, 74,435.49 and 30,063.78 is: 41,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,936.91 : 74,435.49 = 30,063.78 : x
  2. Step 2: Convert to fraction form
    53,936.91/74,435.49 = 30,063.78/x
  3. Step 3: Cross multiply
    53,936.91x = 74,435.49 × 30,063.78
  4. Step 4: Simplify right side
    53,936.91x = 2,237,812,195.55
  5. Step 5: Solve for x
    x = 2,237,812,195.55/53,936.91
  6. Step 6: Final answer
    x = 41,489.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.