Home / 66,874.41-100,317.08-27,431.86

Finding the Fourth Proportional to 66,874.41, 100,317.08 and 27,431.86

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Solution

The fourth proportional to 66,874.41, 100,317.08 and 27,431.86 is: 41,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,874.41 : 100,317.08 = 27,431.86 : x
  2. Step 2: Convert to fraction form
    66,874.41/100,317.08 = 27,431.86/x
  3. Step 3: Cross multiply
    66,874.41x = 100,317.08 × 27,431.86
  4. Step 4: Simplify right side
    66,874.41x = 2,751,883,957.01
  5. Step 5: Solve for x
    x = 2,751,883,957.01/66,874.41
  6. Step 6: Final answer
    x = 41,150.03

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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.