Home / 38,183.43-52,693-21,190.24

Finding the Fourth Proportional to 38,183.43, 52,693 and 21,190.24

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Solution

The fourth proportional to 38,183.43, 52,693 and 21,190.24 is: 29,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,183.43 : 52,693 = 21,190.24 : x
  2. Step 2: Convert to fraction form
    38,183.43/52,693 = 21,190.24/x
  3. Step 3: Cross multiply
    38,183.43x = 52,693 × 21,190.24
  4. Step 4: Simplify right side
    38,183.43x = 1,116,577,316.32
  5. Step 5: Solve for x
    x = 1,116,577,316.32/38,183.43
  6. Step 6: Final answer
    x = 29,242.46

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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.