Home / 43,563.26-65,353.42-13,978.82

Finding the Fourth Proportional to 43,563.26, 65,353.42 and 13,978.82

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Solution

The fourth proportional to 43,563.26, 65,353.42 and 13,978.82 is: 20,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,563.26 : 65,353.42 = 13,978.82 : x
  2. Step 2: Convert to fraction form
    43,563.26/65,353.42 = 13,978.82/x
  3. Step 3: Cross multiply
    43,563.26x = 65,353.42 × 13,978.82
  4. Step 4: Simplify right side
    43,563.26x = 913,563,694.56
  5. Step 5: Solve for x
    x = 913,563,694.56/43,563.26
  6. Step 6: Final answer
    x = 20,970.97

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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.