Home / 37,579.29-56,375.43-12,621.75

Finding the Fourth Proportional to 37,579.29, 56,375.43 and 12,621.75

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Solution

The fourth proportional to 37,579.29, 56,375.43 and 12,621.75 is: 18,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,579.29 : 56,375.43 = 12,621.75 : x
  2. Step 2: Convert to fraction form
    37,579.29/56,375.43 = 12,621.75/x
  3. Step 3: Cross multiply
    37,579.29x = 56,375.43 × 12,621.75
  4. Step 4: Simplify right side
    37,579.29x = 711,556,583.60
  5. Step 5: Solve for x
    x = 711,556,583.60/37,579.29
  6. Step 6: Final answer
    x = 18,934.81

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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.