Home / 36,915.70-55,371.61-10,619.41

Finding the Fourth Proportional to 36,915.70, 55,371.61 and 10,619.41

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Solution

The fourth proportional to 36,915.70, 55,371.61 and 10,619.41 is: 15,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,915.70 : 55,371.61 = 10,619.41 : x
  2. Step 2: Convert to fraction form
    36,915.70/55,371.61 = 10,619.41/x
  3. Step 3: Cross multiply
    36,915.70x = 55,371.61 × 10,619.41
  4. Step 4: Simplify right side
    36,915.70x = 588,013,828.95
  5. Step 5: Solve for x
    x = 588,013,828.95/36,915.70
  6. Step 6: Final answer
    x = 15,928.56

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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.