Home / 29,887.44-41,208.12-18,690

Finding the Fourth Proportional to 29,887.44, 41,208.12 and 18,690

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Solution

The fourth proportional to 29,887.44, 41,208.12 and 18,690 is: 25,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,887.44 : 41,208.12 = 18,690 : x
  2. Step 2: Convert to fraction form
    29,887.44/41,208.12 = 18,690/x
  3. Step 3: Cross multiply
    29,887.44x = 41,208.12 × 18,690
  4. Step 4: Simplify right side
    29,887.44x = 770,179,762.80
  5. Step 5: Solve for x
    x = 770,179,762.80/29,887.44
  6. Step 6: Final answer
    x = 25,769.35

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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.