Home / 33,005.70-49,508.55-12,237.30

Finding the Fourth Proportional to 33,005.70, 49,508.55 and 12,237.30

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Solution

The fourth proportional to 33,005.70, 49,508.55 and 12,237.30 is: 18,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,005.70 : 49,508.55 = 12,237.30 : x
  2. Step 2: Convert to fraction form
    33,005.70/49,508.55 = 12,237.30/x
  3. Step 3: Cross multiply
    33,005.70x = 49,508.55 × 12,237.30
  4. Step 4: Simplify right side
    33,005.70x = 605,850,978.92
  5. Step 5: Solve for x
    x = 605,850,978.92/33,005.70
  6. Step 6: Final answer
    x = 18,355.95

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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.