Home / 43,183.53-64,720.72-23,143.22

Finding the Fourth Proportional to 43,183.53, 64,720.72 and 23,143.22

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Solution

The fourth proportional to 43,183.53, 64,720.72 and 23,143.22 is: 34,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.53 : 64,720.72 = 23,143.22 : x
  2. Step 2: Convert to fraction form
    43,183.53/64,720.72 = 23,143.22/x
  3. Step 3: Cross multiply
    43,183.53x = 64,720.72 × 23,143.22
  4. Step 4: Simplify right side
    43,183.53x = 1,497,845,809.55
  5. Step 5: Solve for x
    x = 1,497,845,809.55/43,183.53
  6. Step 6: Final answer
    x = 34,685.58

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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.