Home / 43,078.53-64,524.24-20,845.26

Finding the Fourth Proportional to 43,078.53, 64,524.24 and 20,845.26

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Solution

The fourth proportional to 43,078.53, 64,524.24 and 20,845.26 is: 31,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,078.53 : 64,524.24 = 20,845.26 : x
  2. Step 2: Convert to fraction form
    43,078.53/64,524.24 = 20,845.26/x
  3. Step 3: Cross multiply
    43,078.53x = 64,524.24 × 20,845.26
  4. Step 4: Simplify right side
    43,078.53x = 1,345,024,559.10
  5. Step 5: Solve for x
    x = 1,345,024,559.10/43,078.53
  6. Step 6: Final answer
    x = 31,222.62

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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.