Home / 31,233.25-46,849.92-12,765.25

Finding the Fourth Proportional to 31,233.25, 46,849.92 and 12,765.25

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Solution

The fourth proportional to 31,233.25, 46,849.92 and 12,765.25 is: 19,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,233.25 : 46,849.92 = 12,765.25 : x
  2. Step 2: Convert to fraction form
    31,233.25/46,849.92 = 12,765.25/x
  3. Step 3: Cross multiply
    31,233.25x = 46,849.92 × 12,765.25
  4. Step 4: Simplify right side
    31,233.25x = 598,050,941.28
  5. Step 5: Solve for x
    x = 598,050,941.28/31,233.25
  6. Step 6: Final answer
    x = 19,147.89

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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.