Home / 33,140.70-49,742.28-12,101.10

Finding the Fourth Proportional to 33,140.70, 49,742.28 and 12,101.10

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Solution

The fourth proportional to 33,140.70, 49,742.28 and 12,101.10 is: 18,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.70 : 49,742.28 = 12,101.10 : x
  2. Step 2: Convert to fraction form
    33,140.70/49,742.28 = 12,101.10/x
  3. Step 3: Cross multiply
    33,140.70x = 49,742.28 × 12,101.10
  4. Step 4: Simplify right side
    33,140.70x = 601,936,304.51
  5. Step 5: Solve for x
    x = 601,936,304.51/33,140.70
  6. Step 6: Final answer
    x = 18,163.05

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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.