Home / 43,211.15-64,790.81-16,884.53

Finding the Fourth Proportional to 43,211.15, 64,790.81 and 16,884.53

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Solution

The fourth proportional to 43,211.15, 64,790.81 and 16,884.53 is: 25,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211.15 : 64,790.81 = 16,884.53 : x
  2. Step 2: Convert to fraction form
    43,211.15/64,790.81 = 16,884.53/x
  3. Step 3: Cross multiply
    43,211.15x = 64,790.81 × 16,884.53
  4. Step 4: Simplify right side
    43,211.15x = 1,093,962,290.75
  5. Step 5: Solve for x
    x = 1,093,962,290.75/43,211.15
  6. Step 6: Final answer
    x = 25,316.67

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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.