Home / 43,821.46-65,741.04-13,840.38

Finding the Fourth Proportional to 43,821.46, 65,741.04 and 13,840.38

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Solution

The fourth proportional to 43,821.46, 65,741.04 and 13,840.38 is: 20,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,821.46 : 65,741.04 = 13,840.38 : x
  2. Step 2: Convert to fraction form
    43,821.46/65,741.04 = 13,840.38/x
  3. Step 3: Cross multiply
    43,821.46x = 65,741.04 × 13,840.38
  4. Step 4: Simplify right side
    43,821.46x = 909,880,975.20
  5. Step 5: Solve for x
    x = 909,880,975.20/43,821.46
  6. Step 6: Final answer
    x = 20,763.37

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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.