Home / 38,185.58-52,696.38-21,189.90

Finding the Fourth Proportional to 38,185.58, 52,696.38 and 21,189.90

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Solution

The fourth proportional to 38,185.58, 52,696.38 and 21,189.90 is: 29,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,185.58 : 52,696.38 = 21,189.90 : x
  2. Step 2: Convert to fraction form
    38,185.58/52,696.38 = 21,189.90/x
  3. Step 3: Cross multiply
    38,185.58x = 52,696.38 × 21,189.90
  4. Step 4: Simplify right side
    38,185.58x = 1,116,631,022.56
  5. Step 5: Solve for x
    x = 1,116,631,022.56/38,185.58
  6. Step 6: Final answer
    x = 29,242.22

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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.