Home / 48,243.52-72,349.92-20,163.52

Finding the Fourth Proportional to 48,243.52, 72,349.92 and 20,163.52

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Solution

The fourth proportional to 48,243.52, 72,349.92 and 20,163.52 is: 30,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,243.52 : 72,349.92 = 20,163.52 : x
  2. Step 2: Convert to fraction form
    48,243.52/72,349.92 = 20,163.52/x
  3. Step 3: Cross multiply
    48,243.52x = 72,349.92 × 20,163.52
  4. Step 4: Simplify right side
    48,243.52x = 1,458,829,058.92
  5. Step 5: Solve for x
    x = 1,458,829,058.92/48,243.52
  6. Step 6: Final answer
    x = 30,238.86

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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.