Home / 30,399.18-45,514.89-15,576.54

Finding the Fourth Proportional to 30,399.18, 45,514.89 and 15,576.54

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Solution

The fourth proportional to 30,399.18, 45,514.89 and 15,576.54 is: 23,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,399.18 : 45,514.89 = 15,576.54 : x
  2. Step 2: Convert to fraction form
    30,399.18/45,514.89 = 15,576.54/x
  3. Step 3: Cross multiply
    30,399.18x = 45,514.89 × 15,576.54
  4. Step 4: Simplify right side
    30,399.18x = 708,964,504.68
  5. Step 5: Solve for x
    x = 708,964,504.68/30,399.18
  6. Step 6: Final answer
    x = 23,321.83

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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.