Home / 66,257.60-99,396.24-21,889.04

Finding the Fourth Proportional to 66,257.60, 99,396.24 and 21,889.04

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Solution

The fourth proportional to 66,257.60, 99,396.24 and 21,889.04 is: 32,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257.60 : 99,396.24 = 21,889.04 : x
  2. Step 2: Convert to fraction form
    66,257.60/99,396.24 = 21,889.04/x
  3. Step 3: Cross multiply
    66,257.60x = 99,396.24 × 21,889.04
  4. Step 4: Simplify right side
    66,257.60x = 2,175,688,273.21
  5. Step 5: Solve for x
    x = 2,175,688,273.21/66,257.60
  6. Step 6: Final answer
    x = 32,836.81

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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.