Home / 31,269.12-46,908.48-12,549.12

Finding the Fourth Proportional to 31,269.12, 46,908.48 and 12,549.12

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Solution

The fourth proportional to 31,269.12, 46,908.48 and 12,549.12 is: 18,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.12 : 46,908.48 = 12,549.12 : x
  2. Step 2: Convert to fraction form
    31,269.12/46,908.48 = 12,549.12/x
  3. Step 3: Cross multiply
    31,269.12x = 46,908.48 × 12,549.12
  4. Step 4: Simplify right side
    31,269.12x = 588,660,144.54
  5. Step 5: Solve for x
    x = 588,660,144.54/31,269.12
  6. Step 6: Final answer
    x = 18,825.61

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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.