Home / 31,999.73-44,173.75-20,674.71

Finding the Fourth Proportional to 31,999.73, 44,173.75 and 20,674.71

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Solution

The fourth proportional to 31,999.73, 44,173.75 and 20,674.71 is: 28,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,999.73 : 44,173.75 = 20,674.71 : x
  2. Step 2: Convert to fraction form
    31,999.73/44,173.75 = 20,674.71/x
  3. Step 3: Cross multiply
    31,999.73x = 44,173.75 × 20,674.71
  4. Step 4: Simplify right side
    31,999.73x = 913,279,470.86
  5. Step 5: Solve for x
    x = 913,279,470.86/31,999.73
  6. Step 6: Final answer
    x = 28,540.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.