Home / 30,107.24-41,550.18-18,173.48

Finding the Fourth Proportional to 30,107.24, 41,550.18 and 18,173.48

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Solution

The fourth proportional to 30,107.24, 41,550.18 and 18,173.48 is: 25,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.24 : 41,550.18 = 18,173.48 : x
  2. Step 2: Convert to fraction form
    30,107.24/41,550.18 = 18,173.48/x
  3. Step 3: Cross multiply
    30,107.24x = 41,550.18 × 18,173.48
  4. Step 4: Simplify right side
    30,107.24x = 755,111,365.23
  5. Step 5: Solve for x
    x = 755,111,365.23/30,107.24
  6. Step 6: Final answer
    x = 25,080.72

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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.