Home / 35,684.90-53,531.96-11,982.26

Finding the Fourth Proportional to 35,684.90, 53,531.96 and 11,982.26

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Solution

The fourth proportional to 35,684.90, 53,531.96 and 11,982.26 is: 17,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,684.90 : 53,531.96 = 11,982.26 : x
  2. Step 2: Convert to fraction form
    35,684.90/53,531.96 = 11,982.26/x
  3. Step 3: Cross multiply
    35,684.90x = 53,531.96 × 11,982.26
  4. Step 4: Simplify right side
    35,684.90x = 641,433,936.95
  5. Step 5: Solve for x
    x = 641,433,936.95/35,684.90
  6. Step 6: Final answer
    x = 17,974.94

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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.