Home / 30,063.80-45,060.85-11,331.85

Finding the Fourth Proportional to 30,063.80, 45,060.85 and 11,331.85

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Solution

The fourth proportional to 30,063.80, 45,060.85 and 11,331.85 is: 16,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063.80 : 45,060.85 = 11,331.85 : x
  2. Step 2: Convert to fraction form
    30,063.80/45,060.85 = 11,331.85/x
  3. Step 3: Cross multiply
    30,063.80x = 45,060.85 × 11,331.85
  4. Step 4: Simplify right side
    30,063.80x = 510,622,511.11
  5. Step 5: Solve for x
    x = 510,622,511.11/30,063.80
  6. Step 6: Final answer
    x = 16,984.63

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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.