Home / 33,786.10-46,624.57-18,678.79

Finding the Fourth Proportional to 33,786.10, 46,624.57 and 18,678.79

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Solution

The fourth proportional to 33,786.10, 46,624.57 and 18,678.79 is: 25,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,786.10 : 46,624.57 = 18,678.79 : x
  2. Step 2: Convert to fraction form
    33,786.10/46,624.57 = 18,678.79/x
  3. Step 3: Cross multiply
    33,786.10x = 46,624.57 × 18,678.79
  4. Step 4: Simplify right side
    33,786.10x = 870,890,551.87
  5. Step 5: Solve for x
    x = 870,890,551.87/33,786.10
  6. Step 6: Final answer
    x = 25,776.59

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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.