Home / 55,183.20-76,150.57-31,309.36

Finding the Fourth Proportional to 55,183.20, 76,150.57 and 31,309.36

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Solution

The fourth proportional to 55,183.20, 76,150.57 and 31,309.36 is: 43,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,183.20 : 76,150.57 = 31,309.36 : x
  2. Step 2: Convert to fraction form
    55,183.20/76,150.57 = 31,309.36/x
  3. Step 3: Cross multiply
    55,183.20x = 76,150.57 × 31,309.36
  4. Step 4: Simplify right side
    55,183.20x = 2,384,225,341.69
  5. Step 5: Solve for x
    x = 2,384,225,341.69/55,183.20
  6. Step 6: Final answer
    x = 43,205.64

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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.