Home / 66,211.69-91,373.94-35,999.05

Finding the Fourth Proportional to 66,211.69, 91,373.94 and 35,999.05

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Solution

The fourth proportional to 66,211.69, 91,373.94 and 35,999.05 is: 49,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,211.69 : 91,373.94 = 35,999.05 : x
  2. Step 2: Convert to fraction form
    66,211.69/91,373.94 = 35,999.05/x
  3. Step 3: Cross multiply
    66,211.69x = 91,373.94 × 35,999.05
  4. Step 4: Simplify right side
    66,211.69x = 3,289,375,034.76
  5. Step 5: Solve for x
    x = 3,289,375,034.76/66,211.69
  6. Step 6: Final answer
    x = 49,679.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.