Home / 33,781.94-46,615.03-18,672.56

Finding the Fourth Proportional to 33,781.94, 46,615.03 and 18,672.56

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Solution

The fourth proportional to 33,781.94, 46,615.03 and 18,672.56 is: 25,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.94 : 46,615.03 = 18,672.56 : x
  2. Step 2: Convert to fraction form
    33,781.94/46,615.03 = 18,672.56/x
  3. Step 3: Cross multiply
    33,781.94x = 46,615.03 × 18,672.56
  4. Step 4: Simplify right side
    33,781.94x = 870,421,944.58
  5. Step 5: Solve for x
    x = 870,421,944.58/33,781.94
  6. Step 6: Final answer
    x = 25,765.90

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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.