Home / 20,040.68-30,054.94-6,885.48

Finding the Fourth Proportional to 20,040.68, 30,054.94 and 6,885.48

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Solution

The fourth proportional to 20,040.68, 30,054.94 and 6,885.48 is: 10,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.68 : 30,054.94 = 6,885.48 : x
  2. Step 2: Convert to fraction form
    20,040.68/30,054.94 = 6,885.48/x
  3. Step 3: Cross multiply
    20,040.68x = 30,054.94 × 6,885.48
  4. Step 4: Simplify right side
    20,040.68x = 206,942,688.27
  5. Step 5: Solve for x
    x = 206,942,688.27/20,040.68
  6. Step 6: Final answer
    x = 10,326.13

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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.