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Finding the Fourth Proportional to 29,107.44, 43,661.43 and 11,581.74

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Solution

The fourth proportional to 29,107.44, 43,661.43 and 11,581.74 is: 17,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107.44 : 43,661.43 = 11,581.74 : x
  2. Step 2: Convert to fraction form
    29,107.44/43,661.43 = 11,581.74/x
  3. Step 3: Cross multiply
    29,107.44x = 43,661.43 × 11,581.74
  4. Step 4: Simplify right side
    29,107.44x = 505,675,330.29
  5. Step 5: Solve for x
    x = 505,675,330.29/29,107.44
  6. Step 6: Final answer
    x = 17,372.72

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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.