Home / 31,725.19-47,609.32-16,944.72

Finding the Fourth Proportional to 31,725.19, 47,609.32 and 16,944.72

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Solution

The fourth proportional to 31,725.19, 47,609.32 and 16,944.72 is: 25,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.19 : 47,609.32 = 16,944.72 : x
  2. Step 2: Convert to fraction form
    31,725.19/47,609.32 = 16,944.72/x
  3. Step 3: Cross multiply
    31,725.19x = 47,609.32 × 16,944.72
  4. Step 4: Simplify right side
    31,725.19x = 806,726,596.79
  5. Step 5: Solve for x
    x = 806,726,596.79/31,725.19
  6. Step 6: Final answer
    x = 25,428.58

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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.