Home / 31,790.37-43,866.22-19,040.56

Finding the Fourth Proportional to 31,790.37, 43,866.22 and 19,040.56

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Solution

The fourth proportional to 31,790.37, 43,866.22 and 19,040.56 is: 26,273.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,790.37 : 43,866.22 = 19,040.56 : x
  2. Step 2: Convert to fraction form
    31,790.37/43,866.22 = 19,040.56/x
  3. Step 3: Cross multiply
    31,790.37x = 43,866.22 × 19,040.56
  4. Step 4: Simplify right side
    31,790.37x = 835,237,393.88
  5. Step 5: Solve for x
    x = 835,237,393.88/31,790.37
  6. Step 6: Final answer
    x = 26,273.28

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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.