Home / 53,721.33-74,112.46-33,564.48

Finding the Fourth Proportional to 53,721.33, 74,112.46 and 33,564.48

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Solution

The fourth proportional to 53,721.33, 74,112.46 and 33,564.48 is: 46,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,721.33 : 74,112.46 = 33,564.48 : x
  2. Step 2: Convert to fraction form
    53,721.33/74,112.46 = 33,564.48/x
  3. Step 3: Cross multiply
    53,721.33x = 74,112.46 × 33,564.48
  4. Step 4: Simplify right side
    53,721.33x = 2,487,546,181.42
  5. Step 5: Solve for x
    x = 2,487,546,181.42/53,721.33
  6. Step 6: Final answer
    x = 46,304.63

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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.