Home / 31,304.96-46,940.16-12,849.92

Finding the Fourth Proportional to 31,304.96, 46,940.16 and 12,849.92

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Solution

The fourth proportional to 31,304.96, 46,940.16 and 12,849.92 is: 19,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.96 : 46,940.16 = 12,849.92 : x
  2. Step 2: Convert to fraction form
    31,304.96/46,940.16 = 12,849.92/x
  3. Step 3: Cross multiply
    31,304.96x = 46,940.16 × 12,849.92
  4. Step 4: Simplify right side
    31,304.96x = 603,177,300.79
  5. Step 5: Solve for x
    x = 603,177,300.79/31,304.96
  6. Step 6: Final answer
    x = 19,267.79

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1.5x scale

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.