Home / 33,078.24-45,648.80-18,174.24

Finding the Fourth Proportional to 33,078.24, 45,648.80 and 18,174.24

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Solution

The fourth proportional to 33,078.24, 45,648.80 and 18,174.24 is: 25,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,078.24 : 45,648.80 = 18,174.24 : x
  2. Step 2: Convert to fraction form
    33,078.24/45,648.80 = 18,174.24/x
  3. Step 3: Cross multiply
    33,078.24x = 45,648.80 × 18,174.24
  4. Step 4: Simplify right side
    33,078.24x = 829,632,246.91
  5. Step 5: Solve for x
    x = 829,632,246.91/33,078.24
  6. Step 6: Final answer
    x = 25,080.91

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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.