Home / 51,517.96-71,093.82-28,856.68

Finding the Fourth Proportional to 51,517.96, 71,093.82 and 28,856.68

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Solution

The fourth proportional to 51,517.96, 71,093.82 and 28,856.68 is: 39,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,517.96 : 71,093.82 = 28,856.68 : x
  2. Step 2: Convert to fraction form
    51,517.96/71,093.82 = 28,856.68/x
  3. Step 3: Cross multiply
    51,517.96x = 71,093.82 × 28,856.68
  4. Step 4: Simplify right side
    51,517.96x = 2,051,531,613.72
  5. Step 5: Solve for x
    x = 2,051,531,613.72/51,517.96
  6. Step 6: Final answer
    x = 39,821.68

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1.5x scale

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.