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Finding the Fourth Proportional to 29,791.71, 44,687.28 and 7,604.78

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Solution

The fourth proportional to 29,791.71, 44,687.28 and 7,604.78 is: 11,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,791.71 : 44,687.28 = 7,604.78 : x
  2. Step 2: Convert to fraction form
    29,791.71/44,687.28 = 7,604.78/x
  3. Step 3: Cross multiply
    29,791.71x = 44,687.28 × 7,604.78
  4. Step 4: Simplify right side
    29,791.71x = 339,836,671.74
  5. Step 5: Solve for x
    x = 339,836,671.74/29,791.71
  6. Step 6: Final answer
    x = 11,407.09

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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.