Home / 31,176.15-43,012.41-17,744.04

Finding the Fourth Proportional to 31,176.15, 43,012.41 and 17,744.04

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Solution

The fourth proportional to 31,176.15, 43,012.41 and 17,744.04 is: 24,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,176.15 : 43,012.41 = 17,744.04 : x
  2. Step 2: Convert to fraction form
    31,176.15/43,012.41 = 17,744.04/x
  3. Step 3: Cross multiply
    31,176.15x = 43,012.41 × 17,744.04
  4. Step 4: Simplify right side
    31,176.15x = 763,213,923.54
  5. Step 5: Solve for x
    x = 763,213,923.54/31,176.15
  6. Step 6: Final answer
    x = 24,480.70

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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.