Home / 43,405.23-65,040.50-30,104.17

Finding the Fourth Proportional to 43,405.23, 65,040.50 and 30,104.17

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Solution

The fourth proportional to 43,405.23, 65,040.50 and 30,104.17 is: 45,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,405.23 : 65,040.50 = 30,104.17 : x
  2. Step 2: Convert to fraction form
    43,405.23/65,040.50 = 30,104.17/x
  3. Step 3: Cross multiply
    43,405.23x = 65,040.50 × 30,104.17
  4. Step 4: Simplify right side
    43,405.23x = 1,957,990,181.54
  5. Step 5: Solve for x
    x = 1,957,990,181.54/43,405.23
  6. Step 6: Final answer
    x = 45,109.54

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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.