Home / 30,247.39-41,741.58-18,310.81

Finding the Fourth Proportional to 30,247.39, 41,741.58 and 18,310.81

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Solution

The fourth proportional to 30,247.39, 41,741.58 and 18,310.81 is: 25,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.39 : 41,741.58 = 18,310.81 : x
  2. Step 2: Convert to fraction form
    30,247.39/41,741.58 = 18,310.81/x
  3. Step 3: Cross multiply
    30,247.39x = 41,741.58 × 18,310.81
  4. Step 4: Simplify right side
    30,247.39x = 764,322,140.48
  5. Step 5: Solve for x
    x = 764,322,140.48/30,247.39
  6. Step 6: Final answer
    x = 25,269.03

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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.