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Finding the Fourth Proportional to 34,588.91, 51,877.89 and 11,209.88

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Solution

The fourth proportional to 34,588.91, 51,877.89 and 11,209.88 is: 16,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,588.91 : 51,877.89 = 11,209.88 : x
  2. Step 2: Convert to fraction form
    34,588.91/51,877.89 = 11,209.88/x
  3. Step 3: Cross multiply
    34,588.91x = 51,877.89 × 11,209.88
  4. Step 4: Simplify right side
    34,588.91x = 581,544,662.16
  5. Step 5: Solve for x
    x = 581,544,662.16/34,588.91
  6. Step 6: Final answer
    x = 16,813.04

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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.