Home / 31,992.57-47,989.16-12,266.44

Finding the Fourth Proportional to 31,992.57, 47,989.16 and 12,266.44

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Solution

The fourth proportional to 31,992.57, 47,989.16 and 12,266.44 is: 18,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,992.57 : 47,989.16 = 12,266.44 : x
  2. Step 2: Convert to fraction form
    31,992.57/47,989.16 = 12,266.44/x
  3. Step 3: Cross multiply
    31,992.57x = 47,989.16 × 12,266.44
  4. Step 4: Simplify right side
    31,992.57x = 588,656,016.48
  5. Step 5: Solve for x
    x = 588,656,016.48/31,992.57
  6. Step 6: Final answer
    x = 18,399.77

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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.