Home / 31,728.19-43,784.82-17,581.04

Finding the Fourth Proportional to 31,728.19, 43,784.82 and 17,581.04

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Solution

The fourth proportional to 31,728.19, 43,784.82 and 17,581.04 is: 24,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,728.19 : 43,784.82 = 17,581.04 : x
  2. Step 2: Convert to fraction form
    31,728.19/43,784.82 = 17,581.04/x
  3. Step 3: Cross multiply
    31,728.19x = 43,784.82 × 17,581.04
  4. Step 4: Simplify right side
    31,728.19x = 769,782,671.81
  5. Step 5: Solve for x
    x = 769,782,671.81/31,728.19
  6. Step 6: Final answer
    x = 24,261.79

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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.