Home / 51,722.24-71,380.84-30,218.90

Finding the Fourth Proportional to 51,722.24, 71,380.84 and 30,218.90

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Solution

The fourth proportional to 51,722.24, 71,380.84 and 30,218.90 is: 41,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,722.24 : 71,380.84 = 30,218.90 : x
  2. Step 2: Convert to fraction form
    51,722.24/71,380.84 = 30,218.90/x
  3. Step 3: Cross multiply
    51,722.24x = 71,380.84 × 30,218.90
  4. Step 4: Simplify right side
    51,722.24x = 2,157,050,465.88
  5. Step 5: Solve for x
    x = 2,157,050,465.88/51,722.24
  6. Step 6: Final answer
    x = 41,704.51

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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.