Home / 43,458.20-65,208.90-17,163.80

Finding the Fourth Proportional to 43,458.20, 65,208.90 and 17,163.80

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Solution

The fourth proportional to 43,458.20, 65,208.90 and 17,163.80 is: 25,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458.20 : 65,208.90 = 17,163.80 : x
  2. Step 2: Convert to fraction form
    43,458.20/65,208.90 = 17,163.80/x
  3. Step 3: Cross multiply
    43,458.20x = 65,208.90 × 17,163.80
  4. Step 4: Simplify right side
    43,458.20x = 1,119,232,517.82
  5. Step 5: Solve for x
    x = 1,119,232,517.82/43,458.20
  6. Step 6: Final answer
    x = 25,754.23

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1.5x scale

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.