Home / 33,825.25-46,678.15-18,717.90

Finding the Fourth Proportional to 33,825.25, 46,678.15 and 18,717.90

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Solution

The fourth proportional to 33,825.25, 46,678.15 and 18,717.90 is: 25,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,825.25 : 46,678.15 = 18,717.90 : x
  2. Step 2: Convert to fraction form
    33,825.25/46,678.15 = 18,717.90/x
  3. Step 3: Cross multiply
    33,825.25x = 46,678.15 × 18,717.90
  4. Step 4: Simplify right side
    33,825.25x = 873,716,861.99
  5. Step 5: Solve for x
    x = 873,716,861.99/33,825.25
  6. Step 6: Final answer
    x = 25,830.32

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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.