Home / 43,589.82-65,387.07-14,005.38

Finding the Fourth Proportional to 43,589.82, 65,387.07 and 14,005.38

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Solution

The fourth proportional to 43,589.82, 65,387.07 and 14,005.38 is: 21,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,589.82 : 65,387.07 = 14,005.38 : x
  2. Step 2: Convert to fraction form
    43,589.82/65,387.07 = 14,005.38/x
  3. Step 3: Cross multiply
    43,589.82x = 65,387.07 × 14,005.38
  4. Step 4: Simplify right side
    43,589.82x = 915,770,762.44
  5. Step 5: Solve for x
    x = 915,770,762.44/43,589.82
  6. Step 6: Final answer
    x = 21,008.82

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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.