Home / 37,619.78-56,422.83-11,317.46

Finding the Fourth Proportional to 37,619.78, 56,422.83 and 11,317.46

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Solution

The fourth proportional to 37,619.78, 56,422.83 and 11,317.46 is: 16,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,619.78 : 56,422.83 = 11,317.46 : x
  2. Step 2: Convert to fraction form
    37,619.78/56,422.83 = 11,317.46/x
  3. Step 3: Cross multiply
    37,619.78x = 56,422.83 × 11,317.46
  4. Step 4: Simplify right side
    37,619.78x = 638,563,121.61
  5. Step 5: Solve for x
    x = 638,563,121.61/37,619.78
  6. Step 6: Final answer
    x = 16,974.13

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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.