Home / 54,973.22-82,408.53-21,693.56

Finding the Fourth Proportional to 54,973.22, 82,408.53 and 21,693.56

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Solution

The fourth proportional to 54,973.22, 82,408.53 and 21,693.56 is: 32,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,973.22 : 82,408.53 = 21,693.56 : x
  2. Step 2: Convert to fraction form
    54,973.22/82,408.53 = 21,693.56/x
  3. Step 3: Cross multiply
    54,973.22x = 82,408.53 × 21,693.56
  4. Step 4: Simplify right side
    54,973.22x = 1,787,734,390.07
  5. Step 5: Solve for x
    x = 1,787,734,390.07/54,973.22
  6. Step 6: Final answer
    x = 32,520.10

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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.