Home / 20,531.26-30,796.62-4,948.75

Finding the Fourth Proportional to 20,531.26, 30,796.62 and 4,948.75

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Solution

The fourth proportional to 20,531.26, 30,796.62 and 4,948.75 is: 7,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,531.26 : 30,796.62 = 4,948.75 : x
  2. Step 2: Convert to fraction form
    20,531.26/30,796.62 = 4,948.75/x
  3. Step 3: Cross multiply
    20,531.26x = 30,796.62 × 4,948.75
  4. Step 4: Simplify right side
    20,531.26x = 152,404,773.23
  5. Step 5: Solve for x
    x = 152,404,773.23/20,531.26
  6. Step 6: Final answer
    x = 7,423.06

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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.