Home / 30,243.38-41,736.06-18,306.81

Finding the Fourth Proportional to 30,243.38, 41,736.06 and 18,306.81

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Solution

The fourth proportional to 30,243.38, 41,736.06 and 18,306.81 is: 25,263.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.38 : 41,736.06 = 18,306.81 : x
  2. Step 2: Convert to fraction form
    30,243.38/41,736.06 = 18,306.81/x
  3. Step 3: Cross multiply
    30,243.38x = 41,736.06 × 18,306.81
  4. Step 4: Simplify right side
    30,243.38x = 764,054,120.57
  5. Step 5: Solve for x
    x = 764,054,120.57/30,243.38
  6. Step 6: Final answer
    x = 25,263.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.