Home / 66,202.20-99,308.97-18,817.47

Finding the Fourth Proportional to 66,202.20, 99,308.97 and 18,817.47

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Solution

The fourth proportional to 66,202.20, 99,308.97 and 18,817.47 is: 28,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,202.20 : 99,308.97 = 18,817.47 : x
  2. Step 2: Convert to fraction form
    66,202.20/99,308.97 = 18,817.47/x
  3. Step 3: Cross multiply
    66,202.20x = 99,308.97 × 18,817.47
  4. Step 4: Simplify right side
    66,202.20x = 1,868,743,563.71
  5. Step 5: Solve for x
    x = 1,868,743,563.71/66,202.20
  6. Step 6: Final answer
    x = 28,227.82

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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.