Home / 54,905.55-82,348.75-21,634.90

Finding the Fourth Proportional to 54,905.55, 82,348.75 and 21,634.90

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Solution

The fourth proportional to 54,905.55, 82,348.75 and 21,634.90 is: 32,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.55 : 82,348.75 = 21,634.90 : x
  2. Step 2: Convert to fraction form
    54,905.55/82,348.75 = 21,634.90/x
  3. Step 3: Cross multiply
    54,905.55x = 82,348.75 × 21,634.90
  4. Step 4: Simplify right side
    54,905.55x = 1,781,606,792.55
  5. Step 5: Solve for x
    x = 1,781,606,792.55/54,905.55
  6. Step 6: Final answer
    x = 32,448.58

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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.