Home / 37,858.13-52,243.99-20,862

Finding the Fourth Proportional to 37,858.13, 52,243.99 and 20,862

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Solution

The fourth proportional to 37,858.13, 52,243.99 and 20,862 is: 28,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,858.13 : 52,243.99 = 20,862 : x
  2. Step 2: Convert to fraction form
    37,858.13/52,243.99 = 20,862/x
  3. Step 3: Cross multiply
    37,858.13x = 52,243.99 × 20,862
  4. Step 4: Simplify right side
    37,858.13x = 1,089,914,067.23
  5. Step 5: Solve for x
    x = 1,089,914,067.23/37,858.13
  6. Step 6: Final answer
    x = 28,789.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.