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Finding the Fourth Proportional to 30,299.44, 45,458.44 and 15,518.72

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Solution

The fourth proportional to 30,299.44, 45,458.44 and 15,518.72 is: 23,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.44 : 45,458.44 = 15,518.72 : x
  2. Step 2: Convert to fraction form
    30,299.44/45,458.44 = 15,518.72/x
  3. Step 3: Cross multiply
    30,299.44x = 45,458.44 × 15,518.72
  4. Step 4: Simplify right side
    30,299.44x = 705,456,802.00
  5. Step 5: Solve for x
    x = 705,456,802.00/30,299.44
  6. Step 6: Final answer
    x = 23,282.83

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1.5x scale

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.