Home / 37,623.78-51,920.48-20,629.08

Finding the Fourth Proportional to 37,623.78, 51,920.48 and 20,629.08

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Solution

The fourth proportional to 37,623.78, 51,920.48 and 20,629.08 is: 28,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,623.78 : 51,920.48 = 20,629.08 : x
  2. Step 2: Convert to fraction form
    37,623.78/51,920.48 = 20,629.08/x
  3. Step 3: Cross multiply
    37,623.78x = 51,920.48 × 20,629.08
  4. Step 4: Simplify right side
    37,623.78x = 1,071,071,735.56
  5. Step 5: Solve for x
    x = 1,071,071,735.56/37,623.78
  6. Step 6: Final answer
    x = 28,467.95

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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.