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Finding the Fourth Proportional to 48,227.80, 72,255.30 and 41,315.80

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Solution

The fourth proportional to 48,227.80, 72,255.30 and 41,315.80 is: 61,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,227.80 : 72,255.30 = 41,315.80 : x
  2. Step 2: Convert to fraction form
    48,227.80/72,255.30 = 41,315.80/x
  3. Step 3: Cross multiply
    48,227.80x = 72,255.30 × 41,315.80
  4. Step 4: Simplify right side
    48,227.80x = 2,985,285,523.74
  5. Step 5: Solve for x
    x = 2,985,285,523.74/48,227.80
  6. Step 6: Final answer
    x = 61,899.68

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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.