Home / 36,751.43-55,083.40-21,136.25

Finding the Fourth Proportional to 36,751.43, 55,083.40 and 21,136.25

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Solution

The fourth proportional to 36,751.43, 55,083.40 and 21,136.25 is: 31,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,751.43 : 55,083.40 = 21,136.25 : x
  2. Step 2: Convert to fraction form
    36,751.43/55,083.40 = 21,136.25/x
  3. Step 3: Cross multiply
    36,751.43x = 55,083.40 × 21,136.25
  4. Step 4: Simplify right side
    36,751.43x = 1,164,256,513.25
  5. Step 5: Solve for x
    x = 1,164,256,513.25/36,751.43
  6. Step 6: Final answer
    x = 31,679.22

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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.