Home / 31,639.96-47,546.16-16,859.44

Finding the Fourth Proportional to 31,639.96, 47,546.16 and 16,859.44

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Solution

The fourth proportional to 31,639.96, 47,546.16 and 16,859.44 is: 25,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,639.96 : 47,546.16 = 16,859.44 : x
  2. Step 2: Convert to fraction form
    31,639.96/47,546.16 = 16,859.44/x
  3. Step 3: Cross multiply
    31,639.96x = 47,546.16 × 16,859.44
  4. Step 4: Simplify right side
    31,639.96x = 801,601,631.75
  5. Step 5: Solve for x
    x = 801,601,631.75/31,639.96
  6. Step 6: Final answer
    x = 25,335.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.