Home / 39,743.19-54,845.44-22,747.36

Finding the Fourth Proportional to 39,743.19, 54,845.44 and 22,747.36

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Solution

The fourth proportional to 39,743.19, 54,845.44 and 22,747.36 is: 31,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,743.19 : 54,845.44 = 22,747.36 : x
  2. Step 2: Convert to fraction form
    39,743.19/54,845.44 = 22,747.36/x
  3. Step 3: Cross multiply
    39,743.19x = 54,845.44 × 22,747.36
  4. Step 4: Simplify right side
    39,743.19x = 1,247,588,968.04
  5. Step 5: Solve for x
    x = 1,247,588,968.04/39,743.19
  6. Step 6: Final answer
    x = 31,391.26

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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.