Home / 29,917.35-41,257.17-19,690.11

Finding the Fourth Proportional to 29,917.35, 41,257.17 and 19,690.11

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Solution

The fourth proportional to 29,917.35, 41,257.17 and 19,690.11 is: 27,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,917.35 : 41,257.17 = 19,690.11 : x
  2. Step 2: Convert to fraction form
    29,917.35/41,257.17 = 19,690.11/x
  3. Step 3: Cross multiply
    29,917.35x = 41,257.17 × 19,690.11
  4. Step 4: Simplify right side
    29,917.35x = 812,358,215.59
  5. Step 5: Solve for x
    x = 812,358,215.59/29,917.35
  6. Step 6: Final answer
    x = 27,153.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.