Home / 33,220.45-49,830.56-8,260.34

Finding the Fourth Proportional to 33,220.45, 49,830.56 and 8,260.34

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Solution

The fourth proportional to 33,220.45, 49,830.56 and 8,260.34 is: 12,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.45 : 49,830.56 = 8,260.34 : x
  2. Step 2: Convert to fraction form
    33,220.45/49,830.56 = 8,260.34/x
  3. Step 3: Cross multiply
    33,220.45x = 49,830.56 × 8,260.34
  4. Step 4: Simplify right side
    33,220.45x = 411,617,326.69
  5. Step 5: Solve for x
    x = 411,617,326.69/33,220.45
  6. Step 6: Final answer
    x = 12,390.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.