Home / 31,612.30-43,626.24-18,183.56

Finding the Fourth Proportional to 31,612.30, 43,626.24 and 18,183.56

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Solution

The fourth proportional to 31,612.30, 43,626.24 and 18,183.56 is: 25,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,612.30 : 43,626.24 = 18,183.56 : x
  2. Step 2: Convert to fraction form
    31,612.30/43,626.24 = 18,183.56/x
  3. Step 3: Cross multiply
    31,612.30x = 43,626.24 × 18,183.56
  4. Step 4: Simplify right side
    31,612.30x = 793,280,352.61
  5. Step 5: Solve for x
    x = 793,280,352.61/31,612.30
  6. Step 6: Final answer
    x = 25,094.04

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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.