Home / 43,942.55-65,903.37-18,968.93

Finding the Fourth Proportional to 43,942.55, 65,903.37 and 18,968.93

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Solution

The fourth proportional to 43,942.55, 65,903.37 and 18,968.93 is: 28,448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,942.55 : 65,903.37 = 18,968.93 : x
  2. Step 2: Convert to fraction form
    43,942.55/65,903.37 = 18,968.93/x
  3. Step 3: Cross multiply
    43,942.55x = 65,903.37 × 18,968.93
  4. Step 4: Simplify right side
    43,942.55x = 1,250,116,736.19
  5. Step 5: Solve for x
    x = 1,250,116,736.19/43,942.55
  6. Step 6: Final answer
    x = 28,448.89

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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.