Home / 31,380.48-43,305.84-17,234.64

Finding the Fourth Proportional to 31,380.48, 43,305.84 and 17,234.64

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Solution

The fourth proportional to 31,380.48, 43,305.84 and 17,234.64 is: 23,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,380.48 : 43,305.84 = 17,234.64 : x
  2. Step 2: Convert to fraction form
    31,380.48/43,305.84 = 17,234.64/x
  3. Step 3: Cross multiply
    31,380.48x = 43,305.84 × 17,234.64
  4. Step 4: Simplify right side
    31,380.48x = 746,360,562.30
  5. Step 5: Solve for x
    x = 746,360,562.30/31,380.48
  6. Step 6: Final answer
    x = 23,784.23

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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.