Home / 30,040.79-41,456.75-16,611.80

Finding the Fourth Proportional to 30,040.79, 41,456.75 and 16,611.80

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Solution

The fourth proportional to 30,040.79, 41,456.75 and 16,611.80 is: 22,924.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.79 : 41,456.75 = 16,611.80 : x
  2. Step 2: Convert to fraction form
    30,040.79/41,456.75 = 16,611.80/x
  3. Step 3: Cross multiply
    30,040.79x = 41,456.75 × 16,611.80
  4. Step 4: Simplify right side
    30,040.79x = 688,670,949.31
  5. Step 5: Solve for x
    x = 688,670,949.31/30,040.79
  6. Step 6: Final answer
    x = 22,924.53

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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.