Home / 33,023.70-45,579.66-21,084.96

Finding the Fourth Proportional to 33,023.70, 45,579.66 and 21,084.96

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Solution

The fourth proportional to 33,023.70, 45,579.66 and 21,084.96 is: 29,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,023.70 : 45,579.66 = 21,084.96 : x
  2. Step 2: Convert to fraction form
    33,023.70/45,579.66 = 21,084.96/x
  3. Step 3: Cross multiply
    33,023.70x = 45,579.66 × 21,084.96
  4. Step 4: Simplify right side
    33,023.70x = 961,045,307.91
  5. Step 5: Solve for x
    x = 961,045,307.91/33,023.70
  6. Step 6: Final answer
    x = 29,101.68

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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.