Home / 31,998.20-48,011.70-11,236.60

Finding the Fourth Proportional to 31,998.20, 48,011.70 and 11,236.60

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Solution

The fourth proportional to 31,998.20, 48,011.70 and 11,236.60 is: 16,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,998.20 : 48,011.70 = 11,236.60 : x
  2. Step 2: Convert to fraction form
    31,998.20/48,011.70 = 11,236.60/x
  3. Step 3: Cross multiply
    31,998.20x = 48,011.70 × 11,236.60
  4. Step 4: Simplify right side
    31,998.20x = 539,488,268.22
  5. Step 5: Solve for x
    x = 539,488,268.22/31,998.20
  6. Step 6: Final answer
    x = 16,859.96

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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.