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Finding the Fourth Proportional to 29,551.86, 40,780.46 and 16,805.54

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Solution

The fourth proportional to 29,551.86, 40,780.46 and 16,805.54 is: 23,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,551.86 : 40,780.46 = 16,805.54 : x
  2. Step 2: Convert to fraction form
    29,551.86/40,780.46 = 16,805.54/x
  3. Step 3: Cross multiply
    29,551.86x = 40,780.46 × 16,805.54
  4. Step 4: Simplify right side
    29,551.86x = 685,337,651.75
  5. Step 5: Solve for x
    x = 685,337,651.75/29,551.86
  6. Step 6: Final answer
    x = 23,191.02

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