Home / 57,456.54-86,000.94-30,765.42

Finding the Fourth Proportional to 57,456.54, 86,000.94 and 30,765.42

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Solution

The fourth proportional to 57,456.54, 86,000.94 and 30,765.42 is: 46,049.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,456.54 : 86,000.94 = 30,765.42 : x
  2. Step 2: Convert to fraction form
    57,456.54/86,000.94 = 30,765.42/x
  3. Step 3: Cross multiply
    57,456.54x = 86,000.94 × 30,765.42
  4. Step 4: Simplify right side
    57,456.54x = 2,645,855,039.49
  5. Step 5: Solve for x
    x = 2,645,855,039.49/57,456.54
  6. Step 6: Final answer
    x = 46,049.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.