Home / 31,781.82-43,858.86-17,441.74

Finding the Fourth Proportional to 31,781.82, 43,858.86 and 17,441.74

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Solution

The fourth proportional to 31,781.82, 43,858.86 and 17,441.74 is: 24,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,781.82 : 43,858.86 = 17,441.74 : x
  2. Step 2: Convert to fraction form
    31,781.82/43,858.86 = 17,441.74/x
  3. Step 3: Cross multiply
    31,781.82x = 43,858.86 × 17,441.74
  4. Step 4: Simplify right side
    31,781.82x = 764,974,832.82
  5. Step 5: Solve for x
    x = 764,974,832.82/31,781.82
  6. Step 6: Final answer
    x = 24,069.57

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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.