Home / 41,720.57-62,584.69-13,640.77

Finding the Fourth Proportional to 41,720.57, 62,584.69 and 13,640.77

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Solution

The fourth proportional to 41,720.57, 62,584.69 and 13,640.77 is: 20,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,720.57 : 62,584.69 = 13,640.77 : x
  2. Step 2: Convert to fraction form
    41,720.57/62,584.69 = 13,640.77/x
  3. Step 3: Cross multiply
    41,720.57x = 62,584.69 × 13,640.77
  4. Step 4: Simplify right side
    41,720.57x = 853,703,361.81
  5. Step 5: Solve for x
    x = 853,703,361.81/41,720.57
  6. Step 6: Final answer
    x = 20,462.41

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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.