Home / 66,851.32-100,271.94-19,466.77

Finding the Fourth Proportional to 66,851.32, 100,271.94 and 19,466.77

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Solution

The fourth proportional to 66,851.32, 100,271.94 and 19,466.77 is: 29,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851.32 : 100,271.94 = 19,466.77 : x
  2. Step 2: Convert to fraction form
    66,851.32/100,271.94 = 19,466.77/x
  3. Step 3: Cross multiply
    66,851.32x = 100,271.94 × 19,466.77
  4. Step 4: Simplify right side
    66,851.32x = 1,951,970,793.43
  5. Step 5: Solve for x
    x = 1,951,970,793.43/66,851.32
  6. Step 6: Final answer
    x = 29,198.69

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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.