Home / 37,641.06-51,945.17-21,722.54

Finding the Fourth Proportional to 37,641.06, 51,945.17 and 21,722.54

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Solution

The fourth proportional to 37,641.06, 51,945.17 and 21,722.54 is: 29,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,641.06 : 51,945.17 = 21,722.54 : x
  2. Step 2: Convert to fraction form
    37,641.06/51,945.17 = 21,722.54/x
  3. Step 3: Cross multiply
    37,641.06x = 51,945.17 × 21,722.54
  4. Step 4: Simplify right side
    37,641.06x = 1,128,380,664.79
  5. Step 5: Solve for x
    x = 1,128,380,664.79/37,641.06
  6. Step 6: Final answer
    x = 29,977.39

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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.