Home / 33,087.15-45,664.16-18,944.55

Finding the Fourth Proportional to 33,087.15, 45,664.16 and 18,944.55

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Solution

The fourth proportional to 33,087.15, 45,664.16 and 18,944.55 is: 26,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087.15 : 45,664.16 = 18,944.55 : x
  2. Step 2: Convert to fraction form
    33,087.15/45,664.16 = 18,944.55/x
  3. Step 3: Cross multiply
    33,087.15x = 45,664.16 × 18,944.55
  4. Step 4: Simplify right side
    33,087.15x = 865,086,867.61
  5. Step 5: Solve for x
    x = 865,086,867.61/33,087.15
  6. Step 6: Final answer
    x = 26,145.71

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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.