Home / 52,359.12-78,571.49-21,194.37

Finding the Fourth Proportional to 52,359.12, 78,571.49 and 21,194.37

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Solution

The fourth proportional to 52,359.12, 78,571.49 and 21,194.37 is: 31,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,359.12 : 78,571.49 = 21,194.37 : x
  2. Step 2: Convert to fraction form
    52,359.12/78,571.49 = 21,194.37/x
  3. Step 3: Cross multiply
    52,359.12x = 78,571.49 × 21,194.37
  4. Step 4: Simplify right side
    52,359.12x = 1,665,273,124.54
  5. Step 5: Solve for x
    x = 1,665,273,124.54/52,359.12
  6. Step 6: Final answer
    x = 31,804.83

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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.