Home / 33,140.06-49,710.09-12,081.68

Finding the Fourth Proportional to 33,140.06, 49,710.09 and 12,081.68

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Solution

The fourth proportional to 33,140.06, 49,710.09 and 12,081.68 is: 18,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.06 : 49,710.09 = 12,081.68 : x
  2. Step 2: Convert to fraction form
    33,140.06/49,710.09 = 12,081.68/x
  3. Step 3: Cross multiply
    33,140.06x = 49,710.09 × 12,081.68
  4. Step 4: Simplify right side
    33,140.06x = 600,581,400.15
  5. Step 5: Solve for x
    x = 600,581,400.15/33,140.06
  6. Step 6: Final answer
    x = 18,122.52

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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.