Home / 33,095.18-45,682-21,190.58

Finding the Fourth Proportional to 33,095.18, 45,682 and 21,190.58

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Solution

The fourth proportional to 33,095.18, 45,682 and 21,190.58 is: 29,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,095.18 : 45,682 = 21,190.58 : x
  2. Step 2: Convert to fraction form
    33,095.18/45,682 = 21,190.58/x
  3. Step 3: Cross multiply
    33,095.18x = 45,682 × 21,190.58
  4. Step 4: Simplify right side
    33,095.18x = 968,028,075.56
  5. Step 5: Solve for x
    x = 968,028,075.56/33,095.18
  6. Step 6: Final answer
    x = 29,249.82

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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.