Home / 53,310.96-79,982.37-15,872.31

Finding the Fourth Proportional to 53,310.96, 79,982.37 and 15,872.31

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Solution

The fourth proportional to 53,310.96, 79,982.37 and 15,872.31 is: 23,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310.96 : 79,982.37 = 15,872.31 : x
  2. Step 2: Convert to fraction form
    53,310.96/79,982.37 = 15,872.31/x
  3. Step 3: Cross multiply
    53,310.96x = 79,982.37 × 15,872.31
  4. Step 4: Simplify right side
    53,310.96x = 1,269,504,971.17
  5. Step 5: Solve for x
    x = 1,269,504,971.17/53,310.96
  6. Step 6: Final answer
    x = 23,813.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.