Home / 30,103.65-45,252.68-27,770.85

Finding the Fourth Proportional to 30,103.65, 45,252.68 and 27,770.85

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Solution

The fourth proportional to 30,103.65, 45,252.68 and 27,770.85 is: 41,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.65 : 45,252.68 = 27,770.85 : x
  2. Step 2: Convert to fraction form
    30,103.65/45,252.68 = 27,770.85/x
  3. Step 3: Cross multiply
    30,103.65x = 45,252.68 × 27,770.85
  4. Step 4: Simplify right side
    30,103.65x = 1,256,705,249.52
  5. Step 5: Solve for x
    x = 1,256,705,249.52/30,103.65
  6. Step 6: Final answer
    x = 41,745.94

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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.