Home / 30,247.52-41,742.48-18,313.04

Finding the Fourth Proportional to 30,247.52, 41,742.48 and 18,313.04

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Solution

The fourth proportional to 30,247.52, 41,742.48 and 18,313.04 is: 25,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.52 : 41,742.48 = 18,313.04 : x
  2. Step 2: Convert to fraction form
    30,247.52/41,742.48 = 18,313.04/x
  3. Step 3: Cross multiply
    30,247.52x = 41,742.48 × 18,313.04
  4. Step 4: Simplify right side
    30,247.52x = 764,431,705.94
  5. Step 5: Solve for x
    x = 764,431,705.94/30,247.52
  6. Step 6: Final answer
    x = 25,272.54

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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.