Home / 54,954.40-82,431.60-21,675.55

Finding the Fourth Proportional to 54,954.40, 82,431.60 and 21,675.55

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Solution

The fourth proportional to 54,954.40, 82,431.60 and 21,675.55 is: 32,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,954.40 : 82,431.60 = 21,675.55 : x
  2. Step 2: Convert to fraction form
    54,954.40/82,431.60 = 21,675.55/x
  3. Step 3: Cross multiply
    54,954.40x = 82,431.60 × 21,675.55
  4. Step 4: Simplify right side
    54,954.40x = 1,786,750,267.38
  5. Step 5: Solve for x
    x = 1,786,750,267.38/54,954.40
  6. Step 6: Final answer
    x = 32,513.33

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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.