Home / 48,396.33-72,563.49-18,789.84

Finding the Fourth Proportional to 48,396.33, 72,563.49 and 18,789.84

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Solution

The fourth proportional to 48,396.33, 72,563.49 and 18,789.84 is: 28,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,396.33 : 72,563.49 = 18,789.84 : x
  2. Step 2: Convert to fraction form
    48,396.33/72,563.49 = 18,789.84/x
  3. Step 3: Cross multiply
    48,396.33x = 72,563.49 × 18,789.84
  4. Step 4: Simplify right side
    48,396.33x = 1,363,456,366.94
  5. Step 5: Solve for x
    x = 1,363,456,366.94/48,396.33
  6. Step 6: Final answer
    x = 28,172.72

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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.