Home / 33,917.78-46,809.41-18,815.30

Finding the Fourth Proportional to 33,917.78, 46,809.41 and 18,815.30

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Solution

The fourth proportional to 33,917.78, 46,809.41 and 18,815.30 is: 25,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,917.78 : 46,809.41 = 18,815.30 : x
  2. Step 2: Convert to fraction form
    33,917.78/46,809.41 = 18,815.30/x
  3. Step 3: Cross multiply
    33,917.78x = 46,809.41 × 18,815.30
  4. Step 4: Simplify right side
    33,917.78x = 880,733,056.41
  5. Step 5: Solve for x
    x = 880,733,056.41/33,917.78
  6. Step 6: Final answer
    x = 25,966.71

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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.