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Finding the Fourth Proportional to 33,883.52, 46,754.88 and 18,979.52

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Solution

The fourth proportional to 33,883.52, 46,754.88 and 18,979.52 is: 26,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,883.52 : 46,754.88 = 18,979.52 : x
  2. Step 2: Convert to fraction form
    33,883.52/46,754.88 = 18,979.52/x
  3. Step 3: Cross multiply
    33,883.52x = 46,754.88 × 18,979.52
  4. Step 4: Simplify right side
    33,883.52x = 887,385,180.06
  5. Step 5: Solve for x
    x = 887,385,180.06/33,883.52
  6. Step 6: Final answer
    x = 26,189.29

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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.