Home / 29,153.78-43,693.75-18,619.73

Finding the Fourth Proportional to 29,153.78, 43,693.75 and 18,619.73

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Solution

The fourth proportional to 29,153.78, 43,693.75 and 18,619.73 is: 27,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,153.78 : 43,693.75 = 18,619.73 : x
  2. Step 2: Convert to fraction form
    29,153.78/43,693.75 = 18,619.73/x
  3. Step 3: Cross multiply
    29,153.78x = 43,693.75 × 18,619.73
  4. Step 4: Simplify right side
    29,153.78x = 813,565,827.69
  5. Step 5: Solve for x
    x = 813,565,827.69/29,153.78
  6. Step 6: Final answer
    x = 27,906.02

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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.