Home / 66,446.73-91,649.58-39,568.50

Finding the Fourth Proportional to 66,446.73, 91,649.58 and 39,568.50

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Solution

The fourth proportional to 66,446.73, 91,649.58 and 39,568.50 is: 54,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,446.73 : 91,649.58 = 39,568.50 : x
  2. Step 2: Convert to fraction form
    66,446.73/91,649.58 = 39,568.50/x
  3. Step 3: Cross multiply
    66,446.73x = 91,649.58 × 39,568.50
  4. Step 4: Simplify right side
    66,446.73x = 3,626,436,257.85
  5. Step 5: Solve for x
    x = 3,626,436,257.85/66,446.73
  6. Step 6: Final answer
    x = 54,576.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.