Home / 30,759.03-42,447.44-16,611.87

Finding the Fourth Proportional to 30,759.03, 42,447.44 and 16,611.87

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Solution

The fourth proportional to 30,759.03, 42,447.44 and 16,611.87 is: 22,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,759.03 : 42,447.44 = 16,611.87 : x
  2. Step 2: Convert to fraction form
    30,759.03/42,447.44 = 16,611.87/x
  3. Step 3: Cross multiply
    30,759.03x = 42,447.44 × 16,611.87
  4. Step 4: Simplify right side
    30,759.03x = 705,131,272.05
  5. Step 5: Solve for x
    x = 705,131,272.05/30,759.03
  6. Step 6: Final answer
    x = 22,924.37

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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.