Home / 38,633.37-53,310.47-21,866.37

Finding the Fourth Proportional to 38,633.37, 53,310.47 and 21,866.37

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Solution

The fourth proportional to 38,633.37, 53,310.47 and 21,866.37 is: 30,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,633.37 : 53,310.47 = 21,866.37 : x
  2. Step 2: Convert to fraction form
    38,633.37/53,310.47 = 21,866.37/x
  3. Step 3: Cross multiply
    38,633.37x = 53,310.47 × 21,866.37
  4. Step 4: Simplify right side
    38,633.37x = 1,165,706,352.56
  5. Step 5: Solve for x
    x = 1,165,706,352.56/38,633.37
  6. Step 6: Final answer
    x = 30,173.56

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Similar ratio
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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.