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Finding the Fourth Proportional to 30,321.36, 45,524.58 and 15,540.88

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Solution

The fourth proportional to 30,321.36, 45,524.58 and 15,540.88 is: 23,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321.36 : 45,524.58 = 15,540.88 : x
  2. Step 2: Convert to fraction form
    30,321.36/45,524.58 = 15,540.88/x
  3. Step 3: Cross multiply
    30,321.36x = 45,524.58 × 15,540.88
  4. Step 4: Simplify right side
    30,321.36x = 707,492,034.83
  5. Step 5: Solve for x
    x = 707,492,034.83/30,321.36
  6. Step 6: Final answer
    x = 23,333.12

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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.