Home / 29,149.72-43,725.94-9,429.82

Finding the Fourth Proportional to 29,149.72, 43,725.94 and 9,429.82

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Solution

The fourth proportional to 29,149.72, 43,725.94 and 9,429.82 is: 14,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,149.72 : 43,725.94 = 9,429.82 : x
  2. Step 2: Convert to fraction form
    29,149.72/43,725.94 = 9,429.82/x
  3. Step 3: Cross multiply
    29,149.72x = 43,725.94 × 9,429.82
  4. Step 4: Simplify right side
    29,149.72x = 412,327,657.79
  5. Step 5: Solve for x
    x = 412,327,657.79/29,149.72
  6. Step 6: Final answer
    x = 14,145.17

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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.