Home / 47,042.98-64,918.87-25,821.79

Finding the Fourth Proportional to 47,042.98, 64,918.87 and 25,821.79

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Solution

The fourth proportional to 47,042.98, 64,918.87 and 25,821.79 is: 35,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,042.98 : 64,918.87 = 25,821.79 : x
  2. Step 2: Convert to fraction form
    47,042.98/64,918.87 = 25,821.79/x
  3. Step 3: Cross multiply
    47,042.98x = 64,918.87 × 25,821.79
  4. Step 4: Simplify right side
    47,042.98x = 1,676,321,201.33
  5. Step 5: Solve for x
    x = 1,676,321,201.33/47,042.98
  6. Step 6: Final answer
    x = 35,633.82

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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.