Home / 37,673.29-51,991.19-20,906.65

Finding the Fourth Proportional to 37,673.29, 51,991.19 and 20,906.65

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Solution

The fourth proportional to 37,673.29, 51,991.19 and 20,906.65 is: 28,852.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,673.29 : 51,991.19 = 20,906.65 : x
  2. Step 2: Convert to fraction form
    37,673.29/51,991.19 = 20,906.65/x
  3. Step 3: Cross multiply
    37,673.29x = 51,991.19 × 20,906.65
  4. Step 4: Simplify right side
    37,673.29x = 1,086,961,507.88
  5. Step 5: Solve for x
    x = 1,086,961,507.88/37,673.29
  6. Step 6: Final answer
    x = 28,852.31

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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.