Home / 43,317.53-64,982.22-15,231.15

Finding the Fourth Proportional to 43,317.53, 64,982.22 and 15,231.15

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Solution

The fourth proportional to 43,317.53, 64,982.22 and 15,231.15 is: 22,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,317.53 : 64,982.22 = 15,231.15 : x
  2. Step 2: Convert to fraction form
    43,317.53/64,982.22 = 15,231.15/x
  3. Step 3: Cross multiply
    43,317.53x = 64,982.22 × 15,231.15
  4. Step 4: Simplify right side
    43,317.53x = 989,753,940.15
  5. Step 5: Solve for x
    x = 989,753,940.15/43,317.53
  6. Step 6: Final answer
    x = 22,848.81

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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.