Home / 30,680.16-46,029.90-10,958.28

Finding the Fourth Proportional to 30,680.16, 46,029.90 and 10,958.28

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Solution

The fourth proportional to 30,680.16, 46,029.90 and 10,958.28 is: 16,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.16 : 46,029.90 = 10,958.28 : x
  2. Step 2: Convert to fraction form
    30,680.16/46,029.90 = 10,958.28/x
  3. Step 3: Cross multiply
    30,680.16x = 46,029.90 × 10,958.28
  4. Step 4: Simplify right side
    30,680.16x = 504,408,532.57
  5. Step 5: Solve for x
    x = 504,408,532.57/30,680.16
  6. Step 6: Final answer
    x = 16,440.87

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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.