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Finding the Fourth Proportional to 29,781.59, 41,101.86 and 17,035.94

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Solution

The fourth proportional to 29,781.59, 41,101.86 and 17,035.94 is: 23,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,781.59 : 41,101.86 = 17,035.94 : x
  2. Step 2: Convert to fraction form
    29,781.59/41,101.86 = 17,035.94/x
  3. Step 3: Cross multiply
    29,781.59x = 41,101.86 × 17,035.94
  4. Step 4: Simplify right side
    29,781.59x = 700,208,987.49
  5. Step 5: Solve for x
    x = 700,208,987.49/29,781.59
  6. Step 6: Final answer
    x = 23,511.47

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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.