Home / 43,028.52-64,449.32-20,795.27

Finding the Fourth Proportional to 43,028.52, 64,449.32 and 20,795.27

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Solution

The fourth proportional to 43,028.52, 64,449.32 and 20,795.27 is: 31,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,028.52 : 64,449.32 = 20,795.27 : x
  2. Step 2: Convert to fraction form
    43,028.52/64,449.32 = 20,795.27/x
  3. Step 3: Cross multiply
    43,028.52x = 64,449.32 × 20,795.27
  4. Step 4: Simplify right side
    43,028.52x = 1,340,241,245.26
  5. Step 5: Solve for x
    x = 1,340,241,245.26/43,028.52
  6. Step 6: Final answer
    x = 31,147.74

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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.