Home / 37,579.58-56,367.40-12,620.14

Finding the Fourth Proportional to 37,579.58, 56,367.40 and 12,620.14

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Solution

The fourth proportional to 37,579.58, 56,367.40 and 12,620.14 is: 18,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,579.58 : 56,367.40 = 12,620.14 : x
  2. Step 2: Convert to fraction form
    37,579.58/56,367.40 = 12,620.14/x
  3. Step 3: Cross multiply
    37,579.58x = 56,367.40 × 12,620.14
  4. Step 4: Simplify right side
    37,579.58x = 711,364,479.44
  5. Step 5: Solve for x
    x = 711,364,479.44/37,579.58
  6. Step 6: Final answer
    x = 18,929.55

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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.