Home / 51,940.53-71,725.14-39,171.84

Finding the Fourth Proportional to 51,940.53, 71,725.14 and 39,171.84

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Solution

The fourth proportional to 51,940.53, 71,725.14 and 39,171.84 is: 54,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,940.53 : 71,725.14 = 39,171.84 : x
  2. Step 2: Convert to fraction form
    51,940.53/71,725.14 = 39,171.84/x
  3. Step 3: Cross multiply
    51,940.53x = 71,725.14 × 39,171.84
  4. Step 4: Simplify right side
    51,940.53x = 2,809,605,708.06
  5. Step 5: Solve for x
    x = 2,809,605,708.06/51,940.53
  6. Step 6: Final answer
    x = 54,092.74

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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.