Home / 33,949.80-46,851.21-20,518.65

Finding the Fourth Proportional to 33,949.80, 46,851.21 and 20,518.65

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Solution

The fourth proportional to 33,949.80, 46,851.21 and 20,518.65 is: 28,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,949.80 : 46,851.21 = 20,518.65 : x
  2. Step 2: Convert to fraction form
    33,949.80/46,851.21 = 20,518.65/x
  3. Step 3: Cross multiply
    33,949.80x = 46,851.21 × 20,518.65
  4. Step 4: Simplify right side
    33,949.80x = 961,323,580.07
  5. Step 5: Solve for x
    x = 961,323,580.07/33,949.80
  6. Step 6: Final answer
    x = 28,316.03

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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.