Home / 51,517.53-71,095.73-28,856.43

Finding the Fourth Proportional to 51,517.53, 71,095.73 and 28,856.43

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Solution

The fourth proportional to 51,517.53, 71,095.73 and 28,856.43 is: 39,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,517.53 : 71,095.73 = 28,856.43 : x
  2. Step 2: Convert to fraction form
    51,517.53/71,095.73 = 28,856.43/x
  3. Step 3: Cross multiply
    51,517.53x = 71,095.73 × 28,856.43
  4. Step 4: Simplify right side
    51,517.53x = 2,051,568,811.76
  5. Step 5: Solve for x
    x = 2,051,568,811.76/51,517.53
  6. Step 6: Final answer
    x = 39,822.73

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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.