Home / 43,433.54-65,150.99-17,138.05

Finding the Fourth Proportional to 43,433.54, 65,150.99 and 17,138.05

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Solution

The fourth proportional to 43,433.54, 65,150.99 and 17,138.05 is: 25,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,433.54 : 65,150.99 = 17,138.05 : x
  2. Step 2: Convert to fraction form
    43,433.54/65,150.99 = 17,138.05/x
  3. Step 3: Cross multiply
    43,433.54x = 65,150.99 × 17,138.05
  4. Step 4: Simplify right side
    43,433.54x = 1,116,560,512.72
  5. Step 5: Solve for x
    x = 1,116,560,512.72/43,433.54
  6. Step 6: Final answer
    x = 25,707.34

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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.