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Finding the Fourth Proportional to 34,539.08, 51,801 and 12,354

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Solution

The fourth proportional to 34,539.08, 51,801 and 12,354 is: 18,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,539.08 : 51,801 = 12,354 : x
  2. Step 2: Convert to fraction form
    34,539.08/51,801 = 12,354/x
  3. Step 3: Cross multiply
    34,539.08x = 51,801 × 12,354
  4. Step 4: Simplify right side
    34,539.08x = 639,949,554
  5. Step 5: Solve for x
    x = 639,949,554/34,539.08
  6. Step 6: Final answer
    x = 18,528.27

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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.