Home / 30,093.12-45,149.94-11,378.54

Finding the Fourth Proportional to 30,093.12, 45,149.94 and 11,378.54

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Solution

The fourth proportional to 30,093.12, 45,149.94 and 11,378.54 is: 17,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,093.12 : 45,149.94 = 11,378.54 : x
  2. Step 2: Convert to fraction form
    30,093.12/45,149.94 = 11,378.54/x
  3. Step 3: Cross multiply
    30,093.12x = 45,149.94 × 11,378.54
  4. Step 4: Simplify right side
    30,093.12x = 513,740,511.16
  5. Step 5: Solve for x
    x = 513,740,511.16/30,093.12
  6. Step 6: Final answer
    x = 17,071.69

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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.