Home / 33,886.78-46,764.80-18,778.04

Finding the Fourth Proportional to 33,886.78, 46,764.80 and 18,778.04

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Solution

The fourth proportional to 33,886.78, 46,764.80 and 18,778.04 is: 25,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,886.78 : 46,764.80 = 18,778.04 : x
  2. Step 2: Convert to fraction form
    33,886.78/46,764.80 = 18,778.04/x
  3. Step 3: Cross multiply
    33,886.78x = 46,764.80 × 18,778.04
  4. Step 4: Simplify right side
    33,886.78x = 878,151,284.99
  5. Step 5: Solve for x
    x = 878,151,284.99/33,886.78
  6. Step 6: Final answer
    x = 25,914.27

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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.