Home / 29,986.79-41,326.94-19,897.43

Finding the Fourth Proportional to 29,986.79, 41,326.94 and 19,897.43

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Solution

The fourth proportional to 29,986.79, 41,326.94 and 19,897.43 is: 27,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,986.79 : 41,326.94 = 19,897.43 : x
  2. Step 2: Convert to fraction form
    29,986.79/41,326.94 = 19,897.43/x
  3. Step 3: Cross multiply
    29,986.79x = 41,326.94 × 19,897.43
  4. Step 4: Simplify right side
    29,986.79x = 822,299,738.87
  5. Step 5: Solve for x
    x = 822,299,738.87/29,986.79
  6. Step 6: Final answer
    x = 27,422.07

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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.