Home / 40,128.48-60,202.64-12,049.02

Finding the Fourth Proportional to 40,128.48, 60,202.64 and 12,049.02

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Solution

The fourth proportional to 40,128.48, 60,202.64 and 12,049.02 is: 18,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128.48 : 60,202.64 = 12,049.02 : x
  2. Step 2: Convert to fraction form
    40,128.48/60,202.64 = 12,049.02/x
  3. Step 3: Cross multiply
    40,128.48x = 60,202.64 × 12,049.02
  4. Step 4: Simplify right side
    40,128.48x = 725,382,843.54
  5. Step 5: Solve for x
    x = 725,382,843.54/40,128.48
  6. Step 6: Final answer
    x = 18,076.51

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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.