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Finding the Fourth Proportional to 49,321.89, 73,986.89 and 16,041.22

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Solution

The fourth proportional to 49,321.89, 73,986.89 and 16,041.22 is: 24,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,321.89 : 73,986.89 = 16,041.22 : x
  2. Step 2: Convert to fraction form
    49,321.89/73,986.89 = 16,041.22/x
  3. Step 3: Cross multiply
    49,321.89x = 73,986.89 × 16,041.22
  4. Step 4: Simplify right side
    49,321.89x = 1,186,839,979.61
  5. Step 5: Solve for x
    x = 1,186,839,979.61/49,321.89
  6. Step 6: Final answer
    x = 24,063.15

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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.