Home / 37,661.56-51,971.22-20,665.44

Finding the Fourth Proportional to 37,661.56, 51,971.22 and 20,665.44

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Solution

The fourth proportional to 37,661.56, 51,971.22 and 20,665.44 is: 28,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,661.56 : 51,971.22 = 20,665.44 : x
  2. Step 2: Convert to fraction form
    37,661.56/51,971.22 = 20,665.44/x
  3. Step 3: Cross multiply
    37,661.56x = 51,971.22 × 20,665.44
  4. Step 4: Simplify right side
    37,661.56x = 1,074,008,128.64
  5. Step 5: Solve for x
    x = 1,074,008,128.64/37,661.56
  6. Step 6: Final answer
    x = 28,517.36

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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.