Home / 54,245.60-81,381.39-22,638.08

Finding the Fourth Proportional to 54,245.60, 81,381.39 and 22,638.08

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Solution

The fourth proportional to 54,245.60, 81,381.39 and 22,638.08 is: 33,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,245.60 : 81,381.39 = 22,638.08 : x
  2. Step 2: Convert to fraction form
    54,245.60/81,381.39 = 22,638.08/x
  3. Step 3: Cross multiply
    54,245.60x = 81,381.39 × 22,638.08
  4. Step 4: Simplify right side
    54,245.60x = 1,842,318,417.33
  5. Step 5: Solve for x
    x = 1,842,318,417.33/54,245.60
  6. Step 6: Final answer
    x = 33,962.54

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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.