Home / 31,915.28-47,841.60-17,882.03

Finding the Fourth Proportional to 31,915.28, 47,841.60 and 17,882.03

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Solution

The fourth proportional to 31,915.28, 47,841.60 and 17,882.03 is: 26,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915.28 : 47,841.60 = 17,882.03 : x
  2. Step 2: Convert to fraction form
    31,915.28/47,841.60 = 17,882.03/x
  3. Step 3: Cross multiply
    31,915.28x = 47,841.60 × 17,882.03
  4. Step 4: Simplify right side
    31,915.28x = 855,504,926.45
  5. Step 5: Solve for x
    x = 855,504,926.45/31,915.28
  6. Step 6: Final answer
    x = 26,805.50

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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.