Home / 20,040.48-30,055.83-10,672.02

Finding the Fourth Proportional to 20,040.48, 30,055.83 and 10,672.02

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Solution

The fourth proportional to 20,040.48, 30,055.83 and 10,672.02 is: 16,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.48 : 30,055.83 = 10,672.02 : x
  2. Step 2: Convert to fraction form
    20,040.48/30,055.83 = 10,672.02/x
  3. Step 3: Cross multiply
    20,040.48x = 30,055.83 × 10,672.02
  4. Step 4: Simplify right side
    20,040.48x = 320,756,418.88
  5. Step 5: Solve for x
    x = 320,756,418.88/20,040.48
  6. Step 6: Final answer
    x = 16,005.43

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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.