Home / 35,620.30-49,151.73-20,517.88

Finding the Fourth Proportional to 35,620.30, 49,151.73 and 20,517.88

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Solution

The fourth proportional to 35,620.30, 49,151.73 and 20,517.88 is: 28,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.30 : 49,151.73 = 20,517.88 : x
  2. Step 2: Convert to fraction form
    35,620.30/49,151.73 = 20,517.88/x
  3. Step 3: Cross multiply
    35,620.30x = 49,151.73 × 20,517.88
  4. Step 4: Simplify right side
    35,620.30x = 1,008,489,297.93
  5. Step 5: Solve for x
    x = 1,008,489,297.93/35,620.30
  6. Step 6: Final answer
    x = 28,312.21

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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.