Home / 30,401.18-45,582.03-12,626.96

Finding the Fourth Proportional to 30,401.18, 45,582.03 and 12,626.96

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Solution

The fourth proportional to 30,401.18, 45,582.03 and 12,626.96 is: 18,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.18 : 45,582.03 = 12,626.96 : x
  2. Step 2: Convert to fraction form
    30,401.18/45,582.03 = 12,626.96/x
  3. Step 3: Cross multiply
    30,401.18x = 45,582.03 × 12,626.96
  4. Step 4: Simplify right side
    30,401.18x = 575,562,469.53
  5. Step 5: Solve for x
    x = 575,562,469.53/30,401.18
  6. Step 6: Final answer
    x = 18,932.24

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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.