Home / 38,187.25-52,696.17-21,190.27

Finding the Fourth Proportional to 38,187.25, 52,696.17 and 21,190.27

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Solution

The fourth proportional to 38,187.25, 52,696.17 and 21,190.27 is: 29,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.25 : 52,696.17 = 21,190.27 : x
  2. Step 2: Convert to fraction form
    38,187.25/52,696.17 = 21,190.27/x
  3. Step 3: Cross multiply
    38,187.25x = 52,696.17 × 21,190.27
  4. Step 4: Simplify right side
    38,187.25x = 1,116,645,889.12
  5. Step 5: Solve for x
    x = 1,116,645,889.12/38,187.25
  6. Step 6: Final answer
    x = 29,241.33

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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.