Home / 37,036.44-51,107.76-21,121.56

Finding the Fourth Proportional to 37,036.44, 51,107.76 and 21,121.56

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Solution

The fourth proportional to 37,036.44, 51,107.76 and 21,121.56 is: 29,146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,036.44 : 51,107.76 = 21,121.56 : x
  2. Step 2: Convert to fraction form
    37,036.44/51,107.76 = 21,121.56/x
  3. Step 3: Cross multiply
    37,036.44x = 51,107.76 × 21,121.56
  4. Step 4: Simplify right side
    37,036.44x = 1,079,475,619.31
  5. Step 5: Solve for x
    x = 1,079,475,619.31/37,036.44
  6. Step 6: Final answer
    x = 29,146.31

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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.