Home / 30,040.20-41,456.19-16,611.72

Finding the Fourth Proportional to 30,040.20, 41,456.19 and 16,611.72

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Solution

The fourth proportional to 30,040.20, 41,456.19 and 16,611.72 is: 22,924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.20 : 41,456.19 = 16,611.72 : x
  2. Step 2: Convert to fraction form
    30,040.20/41,456.19 = 16,611.72/x
  3. Step 3: Cross multiply
    30,040.20x = 41,456.19 × 16,611.72
  4. Step 4: Simplify right side
    30,040.20x = 688,658,620.55
  5. Step 5: Solve for x
    x = 688,658,620.55/30,040.20
  6. Step 6: Final answer
    x = 22,924.57

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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.