Home / 30,206.26-45,299.13-11,481.79

Finding the Fourth Proportional to 30,206.26, 45,299.13 and 11,481.79

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Solution

The fourth proportional to 30,206.26, 45,299.13 and 11,481.79 is: 17,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.26 : 45,299.13 = 11,481.79 : x
  2. Step 2: Convert to fraction form
    30,206.26/45,299.13 = 11,481.79/x
  3. Step 3: Cross multiply
    30,206.26x = 45,299.13 × 11,481.79
  4. Step 4: Simplify right side
    30,206.26x = 520,115,097.84
  5. Step 5: Solve for x
    x = 520,115,097.84/30,206.26
  6. Step 6: Final answer
    x = 17,218.79

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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.