Home / 30,986.18-46,441.20-14,323.67

Finding the Fourth Proportional to 30,986.18, 46,441.20 and 14,323.67

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Solution

The fourth proportional to 30,986.18, 46,441.20 and 14,323.67 is: 21,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,986.18 : 46,441.20 = 14,323.67 : x
  2. Step 2: Convert to fraction form
    30,986.18/46,441.20 = 14,323.67/x
  3. Step 3: Cross multiply
    30,986.18x = 46,441.20 × 14,323.67
  4. Step 4: Simplify right side
    30,986.18x = 665,208,423.20
  5. Step 5: Solve for x
    x = 665,208,423.20/30,986.18
  6. Step 6: Final answer
    x = 21,467.91

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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.