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Finding the Fourth Proportional to 30,353.13, 45,530.10 and 11,634.12

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Solution

The fourth proportional to 30,353.13, 45,530.10 and 11,634.12 is: 17,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.13 : 45,530.10 = 11,634.12 : x
  2. Step 2: Convert to fraction form
    30,353.13/45,530.10 = 11,634.12/x
  3. Step 3: Cross multiply
    30,353.13x = 45,530.10 × 11,634.12
  4. Step 4: Simplify right side
    30,353.13x = 529,702,647.01
  5. Step 5: Solve for x
    x = 529,702,647.01/30,353.13
  6. Step 6: Final answer
    x = 17,451.34

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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.