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Finding the Fourth Proportional to 32,911.88, 49,265.72 and 26,619.40

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Solution

The fourth proportional to 32,911.88, 49,265.72 and 26,619.40 is: 39,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,911.88 : 49,265.72 = 26,619.40 : x
  2. Step 2: Convert to fraction form
    32,911.88/49,265.72 = 26,619.40/x
  3. Step 3: Cross multiply
    32,911.88x = 49,265.72 × 26,619.40
  4. Step 4: Simplify right side
    32,911.88x = 1,311,423,906.97
  5. Step 5: Solve for x
    x = 1,311,423,906.97/32,911.88
  6. Step 6: Final answer
    x = 39,846.52

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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.