Home / 33,216.82-45,813.29-21,281.27

Finding the Fourth Proportional to 33,216.82, 45,813.29 and 21,281.27

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Solution

The fourth proportional to 33,216.82, 45,813.29 and 21,281.27 is: 29,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,216.82 : 45,813.29 = 21,281.27 : x
  2. Step 2: Convert to fraction form
    33,216.82/45,813.29 = 21,281.27/x
  3. Step 3: Cross multiply
    33,216.82x = 45,813.29 × 21,281.27
  4. Step 4: Simplify right side
    33,216.82x = 974,964,887.67
  5. Step 5: Solve for x
    x = 974,964,887.67/33,216.82
  6. Step 6: Final answer
    x = 29,351.55

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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.