Home / 51,538.89-71,137.68-30,324.99

Finding the Fourth Proportional to 51,538.89, 71,137.68 and 30,324.99

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Solution

The fourth proportional to 51,538.89, 71,137.68 and 30,324.99 is: 41,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538.89 : 71,137.68 = 30,324.99 : x
  2. Step 2: Convert to fraction form
    51,538.89/71,137.68 = 30,324.99/x
  3. Step 3: Cross multiply
    51,538.89x = 71,137.68 × 30,324.99
  4. Step 4: Simplify right side
    51,538.89x = 2,157,249,434.62
  5. Step 5: Solve for x
    x = 2,157,249,434.62/51,538.89
  6. Step 6: Final answer
    x = 41,856.73

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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.