Home / 30,369.32-41,910.70-17,621.52

Finding the Fourth Proportional to 30,369.32, 41,910.70 and 17,621.52

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Solution

The fourth proportional to 30,369.32, 41,910.70 and 17,621.52 is: 24,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.32 : 41,910.70 = 17,621.52 : x
  2. Step 2: Convert to fraction form
    30,369.32/41,910.70 = 17,621.52/x
  3. Step 3: Cross multiply
    30,369.32x = 41,910.70 × 17,621.52
  4. Step 4: Simplify right side
    30,369.32x = 738,530,238.26
  5. Step 5: Solve for x
    x = 738,530,238.26/30,369.32
  6. Step 6: Final answer
    x = 24,318.30

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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.