Home / 40,128.44-60,178.46-11,659.48

Finding the Fourth Proportional to 40,128.44, 60,178.46 and 11,659.48

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Solution

The fourth proportional to 40,128.44, 60,178.46 and 11,659.48 is: 17,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128.44 : 60,178.46 = 11,659.48 : x
  2. Step 2: Convert to fraction form
    40,128.44/60,178.46 = 11,659.48/x
  3. Step 3: Cross multiply
    40,128.44x = 60,178.46 × 11,659.48
  4. Step 4: Simplify right side
    40,128.44x = 701,649,550.80
  5. Step 5: Solve for x
    x = 701,649,550.80/40,128.44
  6. Step 6: Final answer
    x = 17,485.09

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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.