Home / 30,280.58-41,786.82-16,851.50

Finding the Fourth Proportional to 30,280.58, 41,786.82 and 16,851.50

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Solution

The fourth proportional to 30,280.58, 41,786.82 and 16,851.50 is: 23,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.58 : 41,786.82 = 16,851.50 : x
  2. Step 2: Convert to fraction form
    30,280.58/41,786.82 = 16,851.50/x
  3. Step 3: Cross multiply
    30,280.58x = 41,786.82 × 16,851.50
  4. Step 4: Simplify right side
    30,280.58x = 704,170,597.23
  5. Step 5: Solve for x
    x = 704,170,597.23/30,280.58
  6. Step 6: Final answer
    x = 23,254.86

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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.