Home / 30,198.95-45,299.37-14,405.69

Finding the Fourth Proportional to 30,198.95, 45,299.37 and 14,405.69

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Solution

The fourth proportional to 30,198.95, 45,299.37 and 14,405.69 is: 21,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.95 : 45,299.37 = 14,405.69 : x
  2. Step 2: Convert to fraction form
    30,198.95/45,299.37 = 14,405.69/x
  3. Step 3: Cross multiply
    30,198.95x = 45,299.37 × 14,405.69
  4. Step 4: Simplify right side
    30,198.95x = 652,568,609.39
  5. Step 5: Solve for x
    x = 652,568,609.39/30,198.95
  6. Step 6: Final answer
    x = 21,608.98

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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.