Home / 30,384.20-45,556.52-12,609.96

Finding the Fourth Proportional to 30,384.20, 45,556.52 and 12,609.96

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Solution

The fourth proportional to 30,384.20, 45,556.52 and 12,609.96 is: 18,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,384.20 : 45,556.52 = 12,609.96 : x
  2. Step 2: Convert to fraction form
    30,384.20/45,556.52 = 12,609.96/x
  3. Step 3: Cross multiply
    30,384.20x = 45,556.52 × 12,609.96
  4. Step 4: Simplify right side
    30,384.20x = 574,465,831.89
  5. Step 5: Solve for x
    x = 574,465,831.89/30,384.20
  6. Step 6: Final answer
    x = 18,906.73

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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.