Home / 49,241.12-73,861.80-19,661.36

Finding the Fourth Proportional to 49,241.12, 73,861.80 and 19,661.36

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Solution

The fourth proportional to 49,241.12, 73,861.80 and 19,661.36 is: 29,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,241.12 : 73,861.80 = 19,661.36 : x
  2. Step 2: Convert to fraction form
    49,241.12/73,861.80 = 19,661.36/x
  3. Step 3: Cross multiply
    49,241.12x = 73,861.80 × 19,661.36
  4. Step 4: Simplify right side
    49,241.12x = 1,452,223,440.05
  5. Step 5: Solve for x
    x = 1,452,223,440.05/49,241.12
  6. Step 6: Final answer
    x = 29,492.09

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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.