Home / 37,213.26-55,720.32-31,308.36

Finding the Fourth Proportional to 37,213.26, 55,720.32 and 31,308.36

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Solution

The fourth proportional to 37,213.26, 55,720.32 and 31,308.36 is: 46,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,213.26 : 55,720.32 = 31,308.36 : x
  2. Step 2: Convert to fraction form
    37,213.26/55,720.32 = 31,308.36/x
  3. Step 3: Cross multiply
    37,213.26x = 55,720.32 × 31,308.36
  4. Step 4: Simplify right side
    37,213.26x = 1,744,511,837.88
  5. Step 5: Solve for x
    x = 1,744,511,837.88/37,213.26
  6. Step 6: Final answer
    x = 46,878.77

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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.