Home / 31,183.36-46,775.45-10,406.86

Finding the Fourth Proportional to 31,183.36, 46,775.45 and 10,406.86

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Solution

The fourth proportional to 31,183.36, 46,775.45 and 10,406.86 is: 15,610.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183.36 : 46,775.45 = 10,406.86 : x
  2. Step 2: Convert to fraction form
    31,183.36/46,775.45 = 10,406.86/x
  3. Step 3: Cross multiply
    31,183.36x = 46,775.45 × 10,406.86
  4. Step 4: Simplify right side
    31,183.36x = 486,785,559.59
  5. Step 5: Solve for x
    x = 486,785,559.59/31,183.36
  6. Step 6: Final answer
    x = 15,610.43

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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.