Home / 43,458.10-65,190.66-13,880.14

Finding the Fourth Proportional to 43,458.10, 65,190.66 and 13,880.14

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Solution

The fourth proportional to 43,458.10, 65,190.66 and 13,880.14 is: 20,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458.10 : 65,190.66 = 13,880.14 : x
  2. Step 2: Convert to fraction form
    43,458.10/65,190.66 = 13,880.14/x
  3. Step 3: Cross multiply
    43,458.10x = 65,190.66 × 13,880.14
  4. Step 4: Simplify right side
    43,458.10x = 904,855,487.49
  5. Step 5: Solve for x
    x = 904,855,487.49/43,458.10
  6. Step 6: Final answer
    x = 20,821.33

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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.