Home / 40,243.64-60,367.87-10,661.39

Finding the Fourth Proportional to 40,243.64, 60,367.87 and 10,661.39

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Solution

The fourth proportional to 40,243.64, 60,367.87 and 10,661.39 is: 15,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,243.64 : 60,367.87 = 10,661.39 : x
  2. Step 2: Convert to fraction form
    40,243.64/60,367.87 = 10,661.39/x
  3. Step 3: Cross multiply
    40,243.64x = 60,367.87 × 10,661.39
  4. Step 4: Simplify right side
    40,243.64x = 643,605,405.54
  5. Step 5: Solve for x
    x = 643,605,405.54/40,243.64
  6. Step 6: Final answer
    x = 15,992.72

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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.