Home / 33,171.66-45,762.36-21,826.56

Finding the Fourth Proportional to 33,171.66, 45,762.36 and 21,826.56

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Solution

The fourth proportional to 33,171.66, 45,762.36 and 21,826.56 is: 30,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,171.66 : 45,762.36 = 21,826.56 : x
  2. Step 2: Convert to fraction form
    33,171.66/45,762.36 = 21,826.56/x
  3. Step 3: Cross multiply
    33,171.66x = 45,762.36 × 21,826.56
  4. Step 4: Simplify right side
    33,171.66x = 998,834,896.28
  5. Step 5: Solve for x
    x = 998,834,896.28/33,171.66
  6. Step 6: Final answer
    x = 30,111.09

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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.