Home / 43,563.96-65,351.99-13,990.86

Finding the Fourth Proportional to 43,563.96, 65,351.99 and 13,990.86

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Solution

The fourth proportional to 43,563.96, 65,351.99 and 13,990.86 is: 20,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,563.96 : 65,351.99 = 13,990.86 : x
  2. Step 2: Convert to fraction form
    43,563.96/65,351.99 = 13,990.86/x
  3. Step 3: Cross multiply
    43,563.96x = 65,351.99 × 13,990.86
  4. Step 4: Simplify right side
    43,563.96x = 914,330,577.79
  5. Step 5: Solve for x
    x = 914,330,577.79/43,563.96
  6. Step 6: Final answer
    x = 20,988.23

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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.