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Finding the Fourth Proportional to 33,689.64, 50,539.92 and 14,976.12

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Solution

The fourth proportional to 33,689.64, 50,539.92 and 14,976.12 is: 22,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,689.64 : 50,539.92 = 14,976.12 : x
  2. Step 2: Convert to fraction form
    33,689.64/50,539.92 = 14,976.12/x
  3. Step 3: Cross multiply
    33,689.64x = 50,539.92 × 14,976.12
  4. Step 4: Simplify right side
    33,689.64x = 756,891,906.71
  5. Step 5: Solve for x
    x = 756,891,906.71/33,689.64
  6. Step 6: Final answer
    x = 22,466.61

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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.