Home / 31,436.89-43,383.20-17,096.86

Finding the Fourth Proportional to 31,436.89, 43,383.20 and 17,096.86

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Solution

The fourth proportional to 31,436.89, 43,383.20 and 17,096.86 is: 23,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,436.89 : 43,383.20 = 17,096.86 : x
  2. Step 2: Convert to fraction form
    31,436.89/43,383.20 = 17,096.86/x
  3. Step 3: Cross multiply
    31,436.89x = 43,383.20 × 17,096.86
  4. Step 4: Simplify right side
    31,436.89x = 741,716,279.84
  5. Step 5: Solve for x
    x = 741,716,279.84/31,436.89
  6. Step 6: Final answer
    x = 23,593.82

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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.