Home / 39,975.36-55,182.42-27,270.48

Finding the Fourth Proportional to 39,975.36, 55,182.42 and 27,270.48

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Solution

The fourth proportional to 39,975.36, 55,182.42 and 27,270.48 is: 37,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.36 : 55,182.42 = 27,270.48 : x
  2. Step 2: Convert to fraction form
    39,975.36/55,182.42 = 27,270.48/x
  3. Step 3: Cross multiply
    39,975.36x = 55,182.42 × 27,270.48
  4. Step 4: Simplify right side
    39,975.36x = 1,504,851,080.96
  5. Step 5: Solve for x
    x = 1,504,851,080.96/39,975.36
  6. Step 6: Final answer
    x = 37,644.47

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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.