Home / 43,684.57-65,526.49-12,519.85

Finding the Fourth Proportional to 43,684.57, 65,526.49 and 12,519.85

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Solution

The fourth proportional to 43,684.57, 65,526.49 and 12,519.85 is: 18,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,684.57 : 65,526.49 = 12,519.85 : x
  2. Step 2: Convert to fraction form
    43,684.57/65,526.49 = 12,519.85/x
  3. Step 3: Cross multiply
    43,684.57x = 65,526.49 × 12,519.85
  4. Step 4: Simplify right side
    43,684.57x = 820,381,825.83
  5. Step 5: Solve for x
    x = 820,381,825.83/43,684.57
  6. Step 6: Final answer
    x = 18,779.67

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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.