Home / 30,257.78-41,751.45-16,829.30

Finding the Fourth Proportional to 30,257.78, 41,751.45 and 16,829.30

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Solution

The fourth proportional to 30,257.78, 41,751.45 and 16,829.30 is: 23,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.78 : 41,751.45 = 16,829.30 : x
  2. Step 2: Convert to fraction form
    30,257.78/41,751.45 = 16,829.30/x
  3. Step 3: Cross multiply
    30,257.78x = 41,751.45 × 16,829.30
  4. Step 4: Simplify right side
    30,257.78x = 702,647,677.49
  5. Step 5: Solve for x
    x = 702,647,677.49/30,257.78
  6. Step 6: Final answer
    x = 23,222.05

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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.