Home / 31,988.58-47,982.81-17,204.46

Finding the Fourth Proportional to 31,988.58, 47,982.81 and 17,204.46

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Solution

The fourth proportional to 31,988.58, 47,982.81 and 17,204.46 is: 25,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.58 : 47,982.81 = 17,204.46 : x
  2. Step 2: Convert to fraction form
    31,988.58/47,982.81 = 17,204.46/x
  3. Step 3: Cross multiply
    31,988.58x = 47,982.81 × 17,204.46
  4. Step 4: Simplify right side
    31,988.58x = 825,518,335.33
  5. Step 5: Solve for x
    x = 825,518,335.33/31,988.58
  6. Step 6: Final answer
    x = 25,806.66

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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.