Home / 51,471.26-71,027.05-28,806.43

Finding the Fourth Proportional to 51,471.26, 71,027.05 and 28,806.43

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Solution

The fourth proportional to 51,471.26, 71,027.05 and 28,806.43 is: 39,751.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,471.26 : 71,027.05 = 28,806.43 : x
  2. Step 2: Convert to fraction form
    51,471.26/71,027.05 = 28,806.43/x
  3. Step 3: Cross multiply
    51,471.26x = 71,027.05 × 28,806.43
  4. Step 4: Simplify right side
    51,471.26x = 2,046,035,494.35
  5. Step 5: Solve for x
    x = 2,046,035,494.35/51,471.26
  6. Step 6: Final answer
    x = 39,751.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.