Home / 60,321.22-90,481.83-18,759.94

Finding the Fourth Proportional to 60,321.22, 90,481.83 and 18,759.94

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Solution

The fourth proportional to 60,321.22, 90,481.83 and 18,759.94 is: 28,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,321.22 : 90,481.83 = 18,759.94 : x
  2. Step 2: Convert to fraction form
    60,321.22/90,481.83 = 18,759.94/x
  3. Step 3: Cross multiply
    60,321.22x = 90,481.83 × 18,759.94
  4. Step 4: Simplify right side
    60,321.22x = 1,697,433,701.89
  5. Step 5: Solve for x
    x = 1,697,433,701.89/60,321.22
  6. Step 6: Final answer
    x = 28,139.91

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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.