Home / 31,183.20-43,032.85-17,036.05

Finding the Fourth Proportional to 31,183.20, 43,032.85 and 17,036.05

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Solution

The fourth proportional to 31,183.20, 43,032.85 and 17,036.05 is: 23,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183.20 : 43,032.85 = 17,036.05 : x
  2. Step 2: Convert to fraction form
    31,183.20/43,032.85 = 17,036.05/x
  3. Step 3: Cross multiply
    31,183.20x = 43,032.85 × 17,036.05
  4. Step 4: Simplify right side
    31,183.20x = 733,109,784.24
  5. Step 5: Solve for x
    x = 733,109,784.24/31,183.20
  6. Step 6: Final answer
    x = 23,509.77

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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.