Home / 39,183.72-58,785.51-18,138.94

Finding the Fourth Proportional to 39,183.72, 58,785.51 and 18,138.94

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Solution

The fourth proportional to 39,183.72, 58,785.51 and 18,138.94 is: 27,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,183.72 : 58,785.51 = 18,138.94 : x
  2. Step 2: Convert to fraction form
    39,183.72/58,785.51 = 18,138.94/x
  3. Step 3: Cross multiply
    39,183.72x = 58,785.51 × 18,138.94
  4. Step 4: Simplify right side
    39,183.72x = 1,066,306,759.82
  5. Step 5: Solve for x
    x = 1,066,306,759.82/39,183.72
  6. Step 6: Final answer
    x = 27,213.01

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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.