Home / 37,609.20-56,416.62-12,649.32

Finding the Fourth Proportional to 37,609.20, 56,416.62 and 12,649.32

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Solution

The fourth proportional to 37,609.20, 56,416.62 and 12,649.32 is: 18,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,609.20 : 56,416.62 = 12,649.32 : x
  2. Step 2: Convert to fraction form
    37,609.20/56,416.62 = 12,649.32/x
  3. Step 3: Cross multiply
    37,609.20x = 56,416.62 × 12,649.32
  4. Step 4: Simplify right side
    37,609.20x = 713,631,879.70
  5. Step 5: Solve for x
    x = 713,631,879.70/37,609.20
  6. Step 6: Final answer
    x = 18,974.93

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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.