Home / 31,727.64-47,563.32-11,992.44

Finding the Fourth Proportional to 31,727.64, 47,563.32 and 11,992.44

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Solution

The fourth proportional to 31,727.64, 47,563.32 and 11,992.44 is: 17,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.64 : 47,563.32 = 11,992.44 : x
  2. Step 2: Convert to fraction form
    31,727.64/47,563.32 = 11,992.44/x
  3. Step 3: Cross multiply
    31,727.64x = 47,563.32 × 11,992.44
  4. Step 4: Simplify right side
    31,727.64x = 570,400,261.30
  5. Step 5: Solve for x
    x = 570,400,261.30/31,727.64
  6. Step 6: Final answer
    x = 17,978.02

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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.