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Finding the Fourth Proportional to 29,680.43, 44,513.44 and 9,953.87

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Solution

The fourth proportional to 29,680.43, 44,513.44 and 9,953.87 is: 14,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,680.43 : 44,513.44 = 9,953.87 : x
  2. Step 2: Convert to fraction form
    29,680.43/44,513.44 = 9,953.87/x
  3. Step 3: Cross multiply
    29,680.43x = 44,513.44 × 9,953.87
  4. Step 4: Simplify right side
    29,680.43x = 443,080,747.56
  5. Step 5: Solve for x
    x = 443,080,747.56/29,680.43
  6. Step 6: Final answer
    x = 14,928.38

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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.