Home / 31,072.25-46,614.47-12,348.80

Finding the Fourth Proportional to 31,072.25, 46,614.47 and 12,348.80

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Solution

The fourth proportional to 31,072.25, 46,614.47 and 12,348.80 is: 18,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072.25 : 46,614.47 = 12,348.80 : x
  2. Step 2: Convert to fraction form
    31,072.25/46,614.47 = 12,348.80/x
  3. Step 3: Cross multiply
    31,072.25x = 46,614.47 × 12,348.80
  4. Step 4: Simplify right side
    31,072.25x = 575,632,472.32
  5. Step 5: Solve for x
    x = 575,632,472.32/31,072.25
  6. Step 6: Final answer
    x = 18,525.61

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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.