Home / 34,592.68-47,738.18-19,689.64

Finding the Fourth Proportional to 34,592.68, 47,738.18 and 19,689.64

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Solution

The fourth proportional to 34,592.68, 47,738.18 and 19,689.64 is: 27,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,592.68 : 47,738.18 = 19,689.64 : x
  2. Step 2: Convert to fraction form
    34,592.68/47,738.18 = 19,689.64/x
  3. Step 3: Cross multiply
    34,592.68x = 47,738.18 × 19,689.64
  4. Step 4: Simplify right side
    34,592.68x = 939,947,578.46
  5. Step 5: Solve for x
    x = 939,947,578.46/34,592.68
  6. Step 6: Final answer
    x = 27,171.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.