Home / 31,728.33-43,784.96-17,581.14

Finding the Fourth Proportional to 31,728.33, 43,784.96 and 17,581.14

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Solution

The fourth proportional to 31,728.33, 43,784.96 and 17,581.14 is: 24,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,728.33 : 43,784.96 = 17,581.14 : x
  2. Step 2: Convert to fraction form
    31,728.33/43,784.96 = 17,581.14/x
  3. Step 3: Cross multiply
    31,728.33x = 43,784.96 × 17,581.14
  4. Step 4: Simplify right side
    31,728.33x = 769,789,423.75
  5. Step 5: Solve for x
    x = 769,789,423.75/31,728.33
  6. Step 6: Final answer
    x = 24,261.90

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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.