Home / 66,824.76-100,252.60-19,440.96

Finding the Fourth Proportional to 66,824.76, 100,252.60 and 19,440.96

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Solution

The fourth proportional to 66,824.76, 100,252.60 and 19,440.96 is: 29,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824.76 : 100,252.60 = 19,440.96 : x
  2. Step 2: Convert to fraction form
    66,824.76/100,252.60 = 19,440.96/x
  3. Step 3: Cross multiply
    66,824.76x = 100,252.60 × 19,440.96
  4. Step 4: Simplify right side
    66,824.76x = 1,949,006,786.50
  5. Step 5: Solve for x
    x = 1,949,006,786.50/66,824.76
  6. Step 6: Final answer
    x = 29,165.94

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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.