Home / 51,811.27-71,495.54-29,145.75

Finding the Fourth Proportional to 51,811.27, 71,495.54 and 29,145.75

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Solution

The fourth proportional to 51,811.27, 71,495.54 and 29,145.75 is: 40,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,811.27 : 71,495.54 = 29,145.75 : x
  2. Step 2: Convert to fraction form
    51,811.27/71,495.54 = 29,145.75/x
  3. Step 3: Cross multiply
    51,811.27x = 71,495.54 × 29,145.75
  4. Step 4: Simplify right side
    51,811.27x = 2,083,790,949.52
  5. Step 5: Solve for x
    x = 2,083,790,949.52/51,811.27
  6. Step 6: Final answer
    x = 40,218.87

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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.