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Finding the Fourth Proportional to 34,520.72, 51,781.71 and 10,827.74

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Solution

The fourth proportional to 34,520.72, 51,781.71 and 10,827.74 is: 16,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,520.72 : 51,781.71 = 10,827.74 : x
  2. Step 2: Convert to fraction form
    34,520.72/51,781.71 = 10,827.74/x
  3. Step 3: Cross multiply
    34,520.72x = 51,781.71 × 10,827.74
  4. Step 4: Simplify right side
    34,520.72x = 560,678,633.73
  5. Step 5: Solve for x
    x = 560,678,633.73/34,520.72
  6. Step 6: Final answer
    x = 16,241.80

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1.5x scale

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.