Home / 49,183.12-67,851.03-30,331.18

Finding the Fourth Proportional to 49,183.12, 67,851.03 and 30,331.18

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Solution

The fourth proportional to 49,183.12, 67,851.03 and 30,331.18 is: 41,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,183.12 : 67,851.03 = 30,331.18 : x
  2. Step 2: Convert to fraction form
    49,183.12/67,851.03 = 30,331.18/x
  3. Step 3: Cross multiply
    49,183.12x = 67,851.03 × 30,331.18
  4. Step 4: Simplify right side
    49,183.12x = 2,058,001,804.12
  5. Step 5: Solve for x
    x = 2,058,001,804.12/49,183.12
  6. Step 6: Final answer
    x = 41,843.66

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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.