Home / 31,183.21-46,769.18-8,991.13

Finding the Fourth Proportional to 31,183.21, 46,769.18 and 8,991.13

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Solution

The fourth proportional to 31,183.21, 46,769.18 and 8,991.13 is: 13,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183.21 : 46,769.18 = 8,991.13 : x
  2. Step 2: Convert to fraction form
    31,183.21/46,769.18 = 8,991.13/x
  3. Step 3: Cross multiply
    31,183.21x = 46,769.18 × 8,991.13
  4. Step 4: Simplify right side
    31,183.21x = 420,507,777.37
  5. Step 5: Solve for x
    x = 420,507,777.37/31,183.21
  6. Step 6: Final answer
    x = 13,485.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.