Home / 30,091.74-45,133.97-15,311.27

Finding the Fourth Proportional to 30,091.74, 45,133.97 and 15,311.27

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Solution

The fourth proportional to 30,091.74, 45,133.97 and 15,311.27 is: 22,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,091.74 : 45,133.97 = 15,311.27 : x
  2. Step 2: Convert to fraction form
    30,091.74/45,133.97 = 15,311.27/x
  3. Step 3: Cross multiply
    30,091.74x = 45,133.97 × 15,311.27
  4. Step 4: Simplify right side
    30,091.74x = 691,058,098.62
  5. Step 5: Solve for x
    x = 691,058,098.62/30,091.74
  6. Step 6: Final answer
    x = 22,965.04

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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.