Home / 53,722.26-80,583.39-18,661.95

Finding the Fourth Proportional to 53,722.26, 80,583.39 and 18,661.95

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Solution

The fourth proportional to 53,722.26, 80,583.39 and 18,661.95 is: 27,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,722.26 : 80,583.39 = 18,661.95 : x
  2. Step 2: Convert to fraction form
    53,722.26/80,583.39 = 18,661.95/x
  3. Step 3: Cross multiply
    53,722.26x = 80,583.39 × 18,661.95
  4. Step 4: Simplify right side
    53,722.26x = 1,503,843,195.01
  5. Step 5: Solve for x
    x = 1,503,843,195.01/53,722.26
  6. Step 6: Final answer
    x = 27,992.93

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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.