Home / 51,020.52-76,531.43-13,580.37

Finding the Fourth Proportional to 51,020.52, 76,531.43 and 13,580.37

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Solution

The fourth proportional to 51,020.52, 76,531.43 and 13,580.37 is: 20,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,020.52 : 76,531.43 = 13,580.37 : x
  2. Step 2: Convert to fraction form
    51,020.52/76,531.43 = 13,580.37/x
  3. Step 3: Cross multiply
    51,020.52x = 76,531.43 × 13,580.37
  4. Step 4: Simplify right side
    51,020.52x = 1,039,325,136.03
  5. Step 5: Solve for x
    x = 1,039,325,136.03/51,020.52
  6. Step 6: Final answer
    x = 20,370.73

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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.