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Finding the Fourth Proportional to 66,922.23, 100,392.62 and 22,561.67

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Solution

The fourth proportional to 66,922.23, 100,392.62 and 22,561.67 is: 33,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,922.23 : 100,392.62 = 22,561.67 : x
  2. Step 2: Convert to fraction form
    66,922.23/100,392.62 = 22,561.67/x
  3. Step 3: Cross multiply
    66,922.23x = 100,392.62 × 22,561.67
  4. Step 4: Simplify right side
    66,922.23x = 2,265,025,301.05
  5. Step 5: Solve for x
    x = 2,265,025,301.05/66,922.23
  6. Step 6: Final answer
    x = 33,845.63

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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.