Home / 33,247.54-45,879.78-18,907.12

Finding the Fourth Proportional to 33,247.54, 45,879.78 and 18,907.12

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Solution

The fourth proportional to 33,247.54, 45,879.78 and 18,907.12 is: 26,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,247.54 : 45,879.78 = 18,907.12 : x
  2. Step 2: Convert to fraction form
    33,247.54/45,879.78 = 18,907.12/x
  3. Step 3: Cross multiply
    33,247.54x = 45,879.78 × 18,907.12
  4. Step 4: Simplify right side
    33,247.54x = 867,454,506.03
  5. Step 5: Solve for x
    x = 867,454,506.03/33,247.54
  6. Step 6: Final answer
    x = 26,090.79

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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.