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Finding the Fourth Proportional to 29,783.88, 41,101.87 and 16,171.94

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Solution

The fourth proportional to 29,783.88, 41,101.87 and 16,171.94 is: 22,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,783.88 : 41,101.87 = 16,171.94 : x
  2. Step 2: Convert to fraction form
    29,783.88/41,101.87 = 16,171.94/x
  3. Step 3: Cross multiply
    29,783.88x = 41,101.87 × 16,171.94
  4. Step 4: Simplify right side
    29,783.88x = 664,696,894.67
  5. Step 5: Solve for x
    x = 664,696,894.67/29,783.88
  6. Step 6: Final answer
    x = 22,317.34

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1.5x scale

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.