Home / 20,205.49-30,294.57-7,050.69

Finding the Fourth Proportional to 20,205.49, 30,294.57 and 7,050.69

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Solution

The fourth proportional to 20,205.49, 30,294.57 and 7,050.69 is: 10,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.49 : 30,294.57 = 7,050.69 : x
  2. Step 2: Convert to fraction form
    20,205.49/30,294.57 = 7,050.69/x
  3. Step 3: Cross multiply
    20,205.49x = 30,294.57 × 7,050.69
  4. Step 4: Simplify right side
    20,205.49x = 213,597,621.75
  5. Step 5: Solve for x
    x = 213,597,621.75/20,205.49
  6. Step 6: Final answer
    x = 10,571.27

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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.