Home / 20,295.45-30,443.10-5,504.33

Finding the Fourth Proportional to 20,295.45, 30,443.10 and 5,504.33

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Solution

The fourth proportional to 20,295.45, 30,443.10 and 5,504.33 is: 8,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295.45 : 30,443.10 = 5,504.33 : x
  2. Step 2: Convert to fraction form
    20,295.45/30,443.10 = 5,504.33/x
  3. Step 3: Cross multiply
    20,295.45x = 30,443.10 × 5,504.33
  4. Step 4: Simplify right side
    20,295.45x = 167,568,868.62
  5. Step 5: Solve for x
    x = 167,568,868.62/20,295.45
  6. Step 6: Final answer
    x = 8,256.47

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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.