Home / 31,725.03-47,591.73-11,731.80

Finding the Fourth Proportional to 31,725.03, 47,591.73 and 11,731.80

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Solution

The fourth proportional to 31,725.03, 47,591.73 and 11,731.80 is: 17,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.03 : 47,591.73 = 11,731.80 : x
  2. Step 2: Convert to fraction form
    31,725.03/47,591.73 = 11,731.80/x
  3. Step 3: Cross multiply
    31,725.03x = 47,591.73 × 11,731.80
  4. Step 4: Simplify right side
    31,725.03x = 558,336,658.01
  5. Step 5: Solve for x
    x = 558,336,658.01/31,725.03
  6. Step 6: Final answer
    x = 17,599.25

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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.