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Finding the Fourth Proportional to 66,885.98, 100,344.35 and 22,511.54

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Solution

The fourth proportional to 66,885.98, 100,344.35 and 22,511.54 is: 33,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,885.98 : 100,344.35 = 22,511.54 : x
  2. Step 2: Convert to fraction form
    66,885.98/100,344.35 = 22,511.54/x
  3. Step 3: Cross multiply
    66,885.98x = 100,344.35 × 22,511.54
  4. Step 4: Simplify right side
    66,885.98x = 2,258,906,155.94
  5. Step 5: Solve for x
    x = 2,258,906,155.94/66,885.98
  6. Step 6: Final answer
    x = 33,772.49

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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.