Home / 41,984.64-63,015.84-21,222.72

Finding the Fourth Proportional to 41,984.64, 63,015.84 and 21,222.72

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Solution

The fourth proportional to 41,984.64, 63,015.84 and 21,222.72 is: 31,853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,984.64 : 63,015.84 = 21,222.72 : x
  2. Step 2: Convert to fraction form
    41,984.64/63,015.84 = 21,222.72/x
  3. Step 3: Cross multiply
    41,984.64x = 63,015.84 × 21,222.72
  4. Step 4: Simplify right side
    41,984.64x = 1,337,367,527.88
  5. Step 5: Solve for x
    x = 1,337,367,527.88/41,984.64
  6. Step 6: Final answer
    x = 31,853.73

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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.