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Finding the Fourth Proportional to 29,942.42, 44,913.63 and 9,163.22

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Solution

The fourth proportional to 29,942.42, 44,913.63 and 9,163.22 is: 13,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,942.42 : 44,913.63 = 9,163.22 : x
  2. Step 2: Convert to fraction form
    29,942.42/44,913.63 = 9,163.22/x
  3. Step 3: Cross multiply
    29,942.42x = 44,913.63 × 9,163.22
  4. Step 4: Simplify right side
    29,942.42x = 411,553,472.69
  5. Step 5: Solve for x
    x = 411,553,472.69/29,942.42
  6. Step 6: Final answer
    x = 13,744.83

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1.5x scale

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.