Home / 36,422.30-54,641.25-20,634.81

Finding the Fourth Proportional to 36,422.30, 54,641.25 and 20,634.81

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Solution

The fourth proportional to 36,422.30, 54,641.25 and 20,634.81 is: 30,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,422.30 : 54,641.25 = 20,634.81 : x
  2. Step 2: Convert to fraction form
    36,422.30/54,641.25 = 20,634.81/x
  3. Step 3: Cross multiply
    36,422.30x = 54,641.25 × 20,634.81
  4. Step 4: Simplify right side
    36,422.30x = 1,127,511,811.91
  5. Step 5: Solve for x
    x = 1,127,511,811.91/36,422.30
  6. Step 6: Final answer
    x = 30,956.64

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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.