Home / 39,183.56-58,785.29-18,138.77

Finding the Fourth Proportional to 39,183.56, 58,785.29 and 18,138.77

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Solution

The fourth proportional to 39,183.56, 58,785.29 and 18,138.77 is: 27,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,183.56 : 58,785.29 = 18,138.77 : x
  2. Step 2: Convert to fraction form
    39,183.56/58,785.29 = 18,138.77/x
  3. Step 3: Cross multiply
    39,183.56x = 58,785.29 × 18,138.77
  4. Step 4: Simplify right side
    39,183.56x = 1,066,292,764.00
  5. Step 5: Solve for x
    x = 1,066,292,764.00/39,183.56
  6. Step 6: Final answer
    x = 27,212.76

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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.