Home / 66,025.91-98,989.60-39,724.49

Finding the Fourth Proportional to 66,025.91, 98,989.60 and 39,724.49

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Solution

The fourth proportional to 66,025.91, 98,989.60 and 39,724.49 is: 59,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,025.91 : 98,989.60 = 39,724.49 : x
  2. Step 2: Convert to fraction form
    66,025.91/98,989.60 = 39,724.49/x
  3. Step 3: Cross multiply
    66,025.91x = 98,989.60 × 39,724.49
  4. Step 4: Simplify right side
    66,025.91x = 3,932,311,375.30
  5. Step 5: Solve for x
    x = 3,932,311,375.30/66,025.91
  6. Step 6: Final answer
    x = 59,557.09

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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.