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Finding the Fourth Proportional to 33,383.63, 46,069.40 and 18,479.63

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Solution

The fourth proportional to 33,383.63, 46,069.40 and 18,479.63 is: 25,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,383.63 : 46,069.40 = 18,479.63 : x
  2. Step 2: Convert to fraction form
    33,383.63/46,069.40 = 18,479.63/x
  3. Step 3: Cross multiply
    33,383.63x = 46,069.40 × 18,479.63
  4. Step 4: Simplify right side
    33,383.63x = 851,345,282.17
  5. Step 5: Solve for x
    x = 851,345,282.17/33,383.63
  6. Step 6: Final answer
    x = 25,501.88

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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.