Home / 34,961.80-48,243.64-20,811.88

Finding the Fourth Proportional to 34,961.80, 48,243.64 and 20,811.88

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Solution

The fourth proportional to 34,961.80, 48,243.64 and 20,811.88 is: 28,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,961.80 : 48,243.64 = 20,811.88 : x
  2. Step 2: Convert to fraction form
    34,961.80/48,243.64 = 20,811.88/x
  3. Step 3: Cross multiply
    34,961.80x = 48,243.64 × 20,811.88
  4. Step 4: Simplify right side
    34,961.80x = 1,004,040,846.44
  5. Step 5: Solve for x
    x = 1,004,040,846.44/34,961.80
  6. Step 6: Final answer
    x = 28,718.23

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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.