Home / 30,100.21-41,538.75-16,671.44

Finding the Fourth Proportional to 30,100.21, 41,538.75 and 16,671.44

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Solution

The fourth proportional to 30,100.21, 41,538.75 and 16,671.44 is: 23,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.21 : 41,538.75 = 16,671.44 : x
  2. Step 2: Convert to fraction form
    30,100.21/41,538.75 = 16,671.44/x
  3. Step 3: Cross multiply
    30,100.21x = 41,538.75 × 16,671.44
  4. Step 4: Simplify right side
    30,100.21x = 692,510,778.30
  5. Step 5: Solve for x
    x = 692,510,778.30/30,100.21
  6. Step 6: Final answer
    x = 23,006.84

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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.