Home / 39,907.68-55,078.56-23,999.28

Finding the Fourth Proportional to 39,907.68, 55,078.56 and 23,999.28

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Solution

The fourth proportional to 39,907.68, 55,078.56 and 23,999.28 is: 33,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.68 : 55,078.56 = 23,999.28 : x
  2. Step 2: Convert to fraction form
    39,907.68/55,078.56 = 23,999.28/x
  3. Step 3: Cross multiply
    39,907.68x = 55,078.56 × 23,999.28
  4. Step 4: Simplify right side
    39,907.68x = 1,321,845,783.44
  5. Step 5: Solve for x
    x = 1,321,845,783.44/39,907.68
  6. Step 6: Final answer
    x = 33,122.59

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1.5x scale

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.