Home / 30,771.12-46,243.26-18,293.39

Finding the Fourth Proportional to 30,771.12, 46,243.26 and 18,293.39

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Solution

The fourth proportional to 30,771.12, 46,243.26 and 18,293.39 is: 27,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.12 : 46,243.26 = 18,293.39 : x
  2. Step 2: Convert to fraction form
    30,771.12/46,243.26 = 18,293.39/x
  3. Step 3: Cross multiply
    30,771.12x = 46,243.26 × 18,293.39
  4. Step 4: Simplify right side
    30,771.12x = 845,945,990.05
  5. Step 5: Solve for x
    x = 845,945,990.05/30,771.12
  6. Step 6: Final answer
    x = 27,491.56

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1.5x scale

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.