Home / 33,788.21-46,623.66-18,678.83

Finding the Fourth Proportional to 33,788.21, 46,623.66 and 18,678.83

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Solution

The fourth proportional to 33,788.21, 46,623.66 and 18,678.83 is: 25,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,788.21 : 46,623.66 = 18,678.83 : x
  2. Step 2: Convert to fraction form
    33,788.21/46,623.66 = 18,678.83/x
  3. Step 3: Cross multiply
    33,788.21x = 46,623.66 × 18,678.83
  4. Step 4: Simplify right side
    33,788.21x = 870,875,419.12
  5. Step 5: Solve for x
    x = 870,875,419.12/33,788.21
  6. Step 6: Final answer
    x = 25,774.54

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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.