Home / 37,820.44-56,739.16-12,519.88

Finding the Fourth Proportional to 37,820.44, 56,739.16 and 12,519.88

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Solution

The fourth proportional to 37,820.44, 56,739.16 and 12,519.88 is: 18,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,820.44 : 56,739.16 = 12,519.88 : x
  2. Step 2: Convert to fraction form
    37,820.44/56,739.16 = 12,519.88/x
  3. Step 3: Cross multiply
    37,820.44x = 56,739.16 × 12,519.88
  4. Step 4: Simplify right side
    37,820.44x = 710,367,474.50
  5. Step 5: Solve for x
    x = 710,367,474.50/37,820.44
  6. Step 6: Final answer
    x = 18,782.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.