Home / 54,136.88-81,216.24-22,549.32

Finding the Fourth Proportional to 54,136.88, 81,216.24 and 22,549.32

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Solution

The fourth proportional to 54,136.88, 81,216.24 and 22,549.32 is: 33,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.88 : 81,216.24 = 22,549.32 : x
  2. Step 2: Convert to fraction form
    54,136.88/81,216.24 = 22,549.32/x
  3. Step 3: Cross multiply
    54,136.88x = 81,216.24 × 22,549.32
  4. Step 4: Simplify right side
    54,136.88x = 1,831,370,984.96
  5. Step 5: Solve for x
    x = 1,831,370,984.96/54,136.88
  6. Step 6: Final answer
    x = 33,828.53

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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.