Home / 36,949.84-55,429.98-11,981.50

Finding the Fourth Proportional to 36,949.84, 55,429.98 and 11,981.50

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Solution

The fourth proportional to 36,949.84, 55,429.98 and 11,981.50 is: 17,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,949.84 : 55,429.98 = 11,981.50 : x
  2. Step 2: Convert to fraction form
    36,949.84/55,429.98 = 11,981.50/x
  3. Step 3: Cross multiply
    36,949.84x = 55,429.98 × 11,981.50
  4. Step 4: Simplify right side
    36,949.84x = 664,134,305.37
  5. Step 5: Solve for x
    x = 664,134,305.37/36,949.84
  6. Step 6: Final answer
    x = 17,973.94

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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.