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Finding the Fourth Proportional to 33,857.52, 46,723.52 and 18,749.86

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Solution

The fourth proportional to 33,857.52, 46,723.52 and 18,749.86 is: 25,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,857.52 : 46,723.52 = 18,749.86 : x
  2. Step 2: Convert to fraction form
    33,857.52/46,723.52 = 18,749.86/x
  3. Step 3: Cross multiply
    33,857.52x = 46,723.52 × 18,749.86
  4. Step 4: Simplify right side
    33,857.52x = 876,059,131.34
  5. Step 5: Solve for x
    x = 876,059,131.34/33,857.52
  6. Step 6: Final answer
    x = 25,874.88

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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.