Home / 31,489.82-43,454.55-18,051.44

Finding the Fourth Proportional to 31,489.82, 43,454.55 and 18,051.44

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Solution

The fourth proportional to 31,489.82, 43,454.55 and 18,051.44 is: 24,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,489.82 : 43,454.55 = 18,051.44 : x
  2. Step 2: Convert to fraction form
    31,489.82/43,454.55 = 18,051.44/x
  3. Step 3: Cross multiply
    31,489.82x = 43,454.55 × 18,051.44
  4. Step 4: Simplify right side
    31,489.82x = 784,417,202.05
  5. Step 5: Solve for x
    x = 784,417,202.05/31,489.82
  6. Step 6: Final answer
    x = 24,910.18

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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.