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Finding the Fourth Proportional to 33,786.60, 46,624.74 and 18,882.60

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Solution

The fourth proportional to 33,786.60, 46,624.74 and 18,882.60 is: 26,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,786.60 : 46,624.74 = 18,882.60 : x
  2. Step 2: Convert to fraction form
    33,786.60/46,624.74 = 18,882.60/x
  3. Step 3: Cross multiply
    33,786.60x = 46,624.74 × 18,882.60
  4. Step 4: Simplify right side
    33,786.60x = 880,396,315.52
  5. Step 5: Solve for x
    x = 880,396,315.52/33,786.60
  6. Step 6: Final answer
    x = 26,057.56

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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.