Home / 51,021.50-76,537.99-13,583.03

Finding the Fourth Proportional to 51,021.50, 76,537.99 and 13,583.03

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Solution

The fourth proportional to 51,021.50, 76,537.99 and 13,583.03 is: 20,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,021.50 : 76,537.99 = 13,583.03 : x
  2. Step 2: Convert to fraction form
    51,021.50/76,537.99 = 13,583.03/x
  3. Step 3: Cross multiply
    51,021.50x = 76,537.99 × 13,583.03
  4. Step 4: Simplify right side
    51,021.50x = 1,039,617,814.31
  5. Step 5: Solve for x
    x = 1,039,617,814.31/51,021.50
  6. Step 6: Final answer
    x = 20,376.07

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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.