Home / 33,183.40-45,802.50-21,861.16

Finding the Fourth Proportional to 33,183.40, 45,802.50 and 21,861.16

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Solution

The fourth proportional to 33,183.40, 45,802.50 and 21,861.16 is: 30,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,183.40 : 45,802.50 = 21,861.16 : x
  2. Step 2: Convert to fraction form
    33,183.40/45,802.50 = 21,861.16/x
  3. Step 3: Cross multiply
    33,183.40x = 45,802.50 × 21,861.16
  4. Step 4: Simplify right side
    33,183.40x = 1,001,295,780.90
  5. Step 5: Solve for x
    x = 1,001,295,780.90/33,183.40
  6. Step 6: Final answer
    x = 30,174.60

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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.