Home / 39,918.90-59,896.06-21,194.43

Finding the Fourth Proportional to 39,918.90, 59,896.06 and 21,194.43

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Solution

The fourth proportional to 39,918.90, 59,896.06 and 21,194.43 is: 31,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,918.90 : 59,896.06 = 21,194.43 : x
  2. Step 2: Convert to fraction form
    39,918.90/59,896.06 = 21,194.43/x
  3. Step 3: Cross multiply
    39,918.90x = 59,896.06 × 21,194.43
  4. Step 4: Simplify right side
    39,918.90x = 1,269,462,573.35
  5. Step 5: Solve for x
    x = 1,269,462,573.35/39,918.90
  6. Step 6: Final answer
    x = 31,801.04

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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.