Home / 44,157.88-66,205.50-20,771.56

Finding the Fourth Proportional to 44,157.88, 66,205.50 and 20,771.56

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Solution

The fourth proportional to 44,157.88, 66,205.50 and 20,771.56 is: 31,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,157.88 : 66,205.50 = 20,771.56 : x
  2. Step 2: Convert to fraction form
    44,157.88/66,205.50 = 20,771.56/x
  3. Step 3: Cross multiply
    44,157.88x = 66,205.50 × 20,771.56
  4. Step 4: Simplify right side
    44,157.88x = 1,375,191,515.58
  5. Step 5: Solve for x
    x = 1,375,191,515.58/44,157.88
  6. Step 6: Final answer
    x = 31,142.61

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1.5x scale

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.