Home / 30,467.20-45,705.13-9,408.97

Finding the Fourth Proportional to 30,467.20, 45,705.13 and 9,408.97

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Solution

The fourth proportional to 30,467.20, 45,705.13 and 9,408.97 is: 14,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.20 : 45,705.13 = 9,408.97 : x
  2. Step 2: Convert to fraction form
    30,467.20/45,705.13 = 9,408.97/x
  3. Step 3: Cross multiply
    30,467.20x = 45,705.13 × 9,408.97
  4. Step 4: Simplify right side
    30,467.20x = 430,038,197.02
  5. Step 5: Solve for x
    x = 430,038,197.02/30,467.20
  6. Step 6: Final answer
    x = 14,114.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.