Home / 33,317.96-45,974.34-21,397.44

Finding the Fourth Proportional to 33,317.96, 45,974.34 and 21,397.44

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Solution

The fourth proportional to 33,317.96, 45,974.34 and 21,397.44 is: 29,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,317.96 : 45,974.34 = 21,397.44 : x
  2. Step 2: Convert to fraction form
    33,317.96/45,974.34 = 21,397.44/x
  3. Step 3: Cross multiply
    33,317.96x = 45,974.34 × 21,397.44
  4. Step 4: Simplify right side
    33,317.96x = 983,733,181.69
  5. Step 5: Solve for x
    x = 983,733,181.69/33,317.96
  6. Step 6: Final answer
    x = 29,525.61

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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.