Home / 37,514.86-51,768.38-20,515.73

Finding the Fourth Proportional to 37,514.86, 51,768.38 and 20,515.73

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Solution

The fourth proportional to 37,514.86, 51,768.38 and 20,515.73 is: 28,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,514.86 : 51,768.38 = 20,515.73 : x
  2. Step 2: Convert to fraction form
    37,514.86/51,768.38 = 20,515.73/x
  3. Step 3: Cross multiply
    37,514.86x = 51,768.38 × 20,515.73
  4. Step 4: Simplify right side
    37,514.86x = 1,062,065,899.06
  5. Step 5: Solve for x
    x = 1,062,065,899.06/37,514.86
  6. Step 6: Final answer
    x = 28,310.54

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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.