Home / 30,286.23-45,431.69-9,228.08

Finding the Fourth Proportional to 30,286.23, 45,431.69 and 9,228.08

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Solution

The fourth proportional to 30,286.23, 45,431.69 and 9,228.08 is: 13,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.23 : 45,431.69 = 9,228.08 : x
  2. Step 2: Convert to fraction form
    30,286.23/45,431.69 = 9,228.08/x
  3. Step 3: Cross multiply
    30,286.23x = 45,431.69 × 9,228.08
  4. Step 4: Simplify right side
    30,286.23x = 419,246,996.56
  5. Step 5: Solve for x
    x = 419,246,996.56/30,286.23
  6. Step 6: Final answer
    x = 13,842.83

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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.