Home / 37,429.75-51,653.10-20,662.75

Finding the Fourth Proportional to 37,429.75, 51,653.10 and 20,662.75

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Solution

The fourth proportional to 37,429.75, 51,653.10 and 20,662.75 is: 28,514.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,429.75 : 51,653.10 = 20,662.75 : x
  2. Step 2: Convert to fraction form
    37,429.75/51,653.10 = 20,662.75/x
  3. Step 3: Cross multiply
    37,429.75x = 51,653.10 × 20,662.75
  4. Step 4: Simplify right side
    37,429.75x = 1,067,295,092.03
  5. Step 5: Solve for x
    x = 1,067,295,092.03/37,429.75
  6. Step 6: Final answer
    x = 28,514.62

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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.