Home / 50,372.76-75,509.88-18,759.66

Finding the Fourth Proportional to 50,372.76, 75,509.88 and 18,759.66

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Solution

The fourth proportional to 50,372.76, 75,509.88 and 18,759.66 is: 28,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,372.76 : 75,509.88 = 18,759.66 : x
  2. Step 2: Convert to fraction form
    50,372.76/75,509.88 = 18,759.66/x
  3. Step 3: Cross multiply
    50,372.76x = 75,509.88 × 18,759.66
  4. Step 4: Simplify right side
    50,372.76x = 1,416,539,675.44
  5. Step 5: Solve for x
    x = 1,416,539,675.44/50,372.76
  6. Step 6: Final answer
    x = 28,121.14

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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.