Home / 20,531.67-30,797.48-4,949.29

Finding the Fourth Proportional to 20,531.67, 30,797.48 and 4,949.29

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Solution

The fourth proportional to 20,531.67, 30,797.48 and 4,949.29 is: 7,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,531.67 : 30,797.48 = 4,949.29 : x
  2. Step 2: Convert to fraction form
    20,531.67/30,797.48 = 4,949.29/x
  3. Step 3: Cross multiply
    20,531.67x = 30,797.48 × 4,949.29
  4. Step 4: Simplify right side
    20,531.67x = 152,425,635.04
  5. Step 5: Solve for x
    x = 152,425,635.04/20,531.67
  6. Step 6: Final answer
    x = 7,423.93

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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.