Home / 30,040.83-41,454.67-16,611.28

Finding the Fourth Proportional to 30,040.83, 41,454.67 and 16,611.28

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Solution

The fourth proportional to 30,040.83, 41,454.67 and 16,611.28 is: 22,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.83 : 41,454.67 = 16,611.28 : x
  2. Step 2: Convert to fraction form
    30,040.83/41,454.67 = 16,611.28/x
  3. Step 3: Cross multiply
    30,040.83x = 41,454.67 × 16,611.28
  4. Step 4: Simplify right side
    30,040.83x = 688,615,130.68
  5. Step 5: Solve for x
    x = 688,615,130.68/30,040.83
  6. Step 6: Final answer
    x = 22,922.64

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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.