Home / 30,397.03-45,591.18-8,211.73

Finding the Fourth Proportional to 30,397.03, 45,591.18 and 8,211.73

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Solution

The fourth proportional to 30,397.03, 45,591.18 and 8,211.73 is: 12,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,397.03 : 45,591.18 = 8,211.73 : x
  2. Step 2: Convert to fraction form
    30,397.03/45,591.18 = 8,211.73/x
  3. Step 3: Cross multiply
    30,397.03x = 45,591.18 × 8,211.73
  4. Step 4: Simplify right side
    30,397.03x = 374,382,460.54
  5. Step 5: Solve for x
    x = 374,382,460.54/30,397.03
  6. Step 6: Final answer
    x = 12,316.42

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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.