Home / 39,072.24-53,918.57-22,939.28

Finding the Fourth Proportional to 39,072.24, 53,918.57 and 22,939.28

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Solution

The fourth proportional to 39,072.24, 53,918.57 and 22,939.28 is: 31,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.24 : 53,918.57 = 22,939.28 : x
  2. Step 2: Convert to fraction form
    39,072.24/53,918.57 = 22,939.28/x
  3. Step 3: Cross multiply
    39,072.24x = 53,918.57 × 22,939.28
  4. Step 4: Simplify right side
    39,072.24x = 1,236,853,174.43
  5. Step 5: Solve for x
    x = 1,236,853,174.43/39,072.24
  6. Step 6: Final answer
    x = 31,655.55

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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.