Home / 29,520.60-44,286.30-11,992.20

Finding the Fourth Proportional to 29,520.60, 44,286.30 and 11,992.20

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Solution

The fourth proportional to 29,520.60, 44,286.30 and 11,992.20 is: 17,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,520.60 : 44,286.30 = 11,992.20 : x
  2. Step 2: Convert to fraction form
    29,520.60/44,286.30 = 11,992.20/x
  3. Step 3: Cross multiply
    29,520.60x = 44,286.30 × 11,992.20
  4. Step 4: Simplify right side
    29,520.60x = 531,090,166.86
  5. Step 5: Solve for x
    x = 531,090,166.86/29,520.60
  6. Step 6: Final answer
    x = 17,990.49

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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.