Home / 30,251.91-41,741.66-18,316.36

Finding the Fourth Proportional to 30,251.91, 41,741.66 and 18,316.36

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Solution

The fourth proportional to 30,251.91, 41,741.66 and 18,316.36 is: 25,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.91 : 41,741.66 = 18,316.36 : x
  2. Step 2: Convert to fraction form
    30,251.91/41,741.66 = 18,316.36/x
  3. Step 3: Cross multiply
    30,251.91x = 41,741.66 × 18,316.36
  4. Step 4: Simplify right side
    30,251.91x = 764,555,369.53
  5. Step 5: Solve for x
    x = 764,555,369.53/30,251.91
  6. Step 6: Final answer
    x = 25,272.96

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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.