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Finding the Fourth Proportional to 30,052.78, 45,080.34 and 8,993.14

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Solution

The fourth proportional to 30,052.78, 45,080.34 and 8,993.14 is: 13,490.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.78 : 45,080.34 = 8,993.14 : x
  2. Step 2: Convert to fraction form
    30,052.78/45,080.34 = 8,993.14/x
  3. Step 3: Cross multiply
    30,052.78x = 45,080.34 × 8,993.14
  4. Step 4: Simplify right side
    30,052.78x = 405,413,808.87
  5. Step 5: Solve for x
    x = 405,413,808.87/30,052.78
  6. Step 6: Final answer
    x = 13,490.06

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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.