Home / 30,299.88-41,790.18-19,692.96

Finding the Fourth Proportional to 30,299.88, 41,790.18 and 19,692.96

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Solution

The fourth proportional to 30,299.88, 41,790.18 and 19,692.96 is: 27,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.88 : 41,790.18 = 19,692.96 : x
  2. Step 2: Convert to fraction form
    30,299.88/41,790.18 = 19,692.96/x
  3. Step 3: Cross multiply
    30,299.88x = 41,790.18 × 19,692.96
  4. Step 4: Simplify right side
    30,299.88x = 822,972,343.13
  5. Step 5: Solve for x
    x = 822,972,343.13/30,299.88
  6. Step 6: Final answer
    x = 27,160.91

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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.