Home / 29,156.78-43,698.24-18,622.74

Finding the Fourth Proportional to 29,156.78, 43,698.24 and 18,622.74

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Solution

The fourth proportional to 29,156.78, 43,698.24 and 18,622.74 is: 27,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156.78 : 43,698.24 = 18,622.74 : x
  2. Step 2: Convert to fraction form
    29,156.78/43,698.24 = 18,622.74/x
  3. Step 3: Cross multiply
    29,156.78x = 43,698.24 × 18,622.74
  4. Step 4: Simplify right side
    29,156.78x = 813,780,961.98
  5. Step 5: Solve for x
    x = 813,780,961.98/29,156.78
  6. Step 6: Final answer
    x = 27,910.52

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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.