Home / 37,162.86-51,288.39-21,249.66

Finding the Fourth Proportional to 37,162.86, 51,288.39 and 21,249.66

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Solution

The fourth proportional to 37,162.86, 51,288.39 and 21,249.66 is: 29,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,162.86 : 51,288.39 = 21,249.66 : x
  2. Step 2: Convert to fraction form
    37,162.86/51,288.39 = 21,249.66/x
  3. Step 3: Cross multiply
    37,162.86x = 51,288.39 × 21,249.66
  4. Step 4: Simplify right side
    37,162.86x = 1,089,860,849.45
  5. Step 5: Solve for x
    x = 1,089,860,849.45/37,162.86
  6. Step 6: Final answer
    x = 29,326.61

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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.