Home / 37,640.84-51,935.19-21,725.25

Finding the Fourth Proportional to 37,640.84, 51,935.19 and 21,725.25

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Solution

The fourth proportional to 37,640.84, 51,935.19 and 21,725.25 is: 29,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,640.84 : 51,935.19 = 21,725.25 : x
  2. Step 2: Convert to fraction form
    37,640.84/51,935.19 = 21,725.25/x
  3. Step 3: Cross multiply
    37,640.84x = 51,935.19 × 21,725.25
  4. Step 4: Simplify right side
    37,640.84x = 1,128,304,986.55
  5. Step 5: Solve for x
    x = 1,128,304,986.55/37,640.84
  6. Step 6: Final answer
    x = 29,975.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.