Home / 33,942.35-46,870.19-21,217.28

Finding the Fourth Proportional to 33,942.35, 46,870.19 and 21,217.28

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Solution

The fourth proportional to 33,942.35, 46,870.19 and 21,217.28 is: 29,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,942.35 : 46,870.19 = 21,217.28 : x
  2. Step 2: Convert to fraction form
    33,942.35/46,870.19 = 21,217.28/x
  3. Step 3: Cross multiply
    33,942.35x = 46,870.19 × 21,217.28
  4. Step 4: Simplify right side
    33,942.35x = 994,457,763.58
  5. Step 5: Solve for x
    x = 994,457,763.58/33,942.35
  6. Step 6: Final answer
    x = 29,298.44

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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.