Home / 30,632.21-45,860.68-20,753.96

Finding the Fourth Proportional to 30,632.21, 45,860.68 and 20,753.96

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Solution

The fourth proportional to 30,632.21, 45,860.68 and 20,753.96 is: 31,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632.21 : 45,860.68 = 20,753.96 : x
  2. Step 2: Convert to fraction form
    30,632.21/45,860.68 = 20,753.96/x
  3. Step 3: Cross multiply
    30,632.21x = 45,860.68 × 20,753.96
  4. Step 4: Simplify right side
    30,632.21x = 951,790,514.93
  5. Step 5: Solve for x
    x = 951,790,514.93/30,632.21
  6. Step 6: Final answer
    x = 31,071.56

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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.