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Finding the Fourth Proportional to 33,381, 46,068.66 and 18,479.88

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Solution

The fourth proportional to 33,381, 46,068.66 and 18,479.88 is: 25,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,381 : 46,068.66 = 18,479.88 : x
  2. Step 2: Convert to fraction form
    33,381/46,068.66 = 18,479.88/x
  3. Step 3: Cross multiply
    33,381x = 46,068.66 × 18,479.88
  4. Step 4: Simplify right side
    33,381x = 851,343,308.56
  5. Step 5: Solve for x
    x = 851,343,308.56/33,381
  6. Step 6: Final answer
    x = 25,503.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.