Home / 31,983.78-44,133.94-18,550.13

Finding the Fourth Proportional to 31,983.78, 44,133.94 and 18,550.13

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Solution

The fourth proportional to 31,983.78, 44,133.94 and 18,550.13 is: 25,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.78 : 44,133.94 = 18,550.13 : x
  2. Step 2: Convert to fraction form
    31,983.78/44,133.94 = 18,550.13/x
  3. Step 3: Cross multiply
    31,983.78x = 44,133.94 × 18,550.13
  4. Step 4: Simplify right side
    31,983.78x = 818,690,324.41
  5. Step 5: Solve for x
    x = 818,690,324.41/31,983.78
  6. Step 6: Final answer
    x = 25,597.05

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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.