Home / 36,971.33-51,007.77-21,051.78

Finding the Fourth Proportional to 36,971.33, 51,007.77 and 21,051.78

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Solution

The fourth proportional to 36,971.33, 51,007.77 and 21,051.78 is: 29,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,971.33 : 51,007.77 = 21,051.78 : x
  2. Step 2: Convert to fraction form
    36,971.33/51,007.77 = 21,051.78/x
  3. Step 3: Cross multiply
    36,971.33x = 51,007.77 × 21,051.78
  4. Step 4: Simplify right side
    36,971.33x = 1,073,804,352.33
  5. Step 5: Solve for x
    x = 1,073,804,352.33/36,971.33
  6. Step 6: Final answer
    x = 29,044.25

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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.