Home / 66,879.12-100,331.79-24,759.55

Finding the Fourth Proportional to 66,879.12, 100,331.79 and 24,759.55

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Solution

The fourth proportional to 66,879.12, 100,331.79 and 24,759.55 is: 37,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,879.12 : 100,331.79 = 24,759.55 : x
  2. Step 2: Convert to fraction form
    66,879.12/100,331.79 = 24,759.55/x
  3. Step 3: Cross multiply
    66,879.12x = 100,331.79 × 24,759.55
  4. Step 4: Simplify right side
    66,879.12x = 2,484,169,971.09
  5. Step 5: Solve for x
    x = 2,484,169,971.09/66,879.12
  6. Step 6: Final answer
    x = 37,144.18

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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.