Home / 23,900.18-35,780.99-21,367.53

Finding the Fourth Proportional to 23,900.18, 35,780.99 and 21,367.53

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Solution

The fourth proportional to 23,900.18, 35,780.99 and 21,367.53 is: 31,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,900.18 : 35,780.99 = 21,367.53 : x
  2. Step 2: Convert to fraction form
    23,900.18/35,780.99 = 21,367.53/x
  3. Step 3: Cross multiply
    23,900.18x = 35,780.99 × 21,367.53
  4. Step 4: Simplify right side
    23,900.18x = 764,551,270.42
  5. Step 5: Solve for x
    x = 764,551,270.42/23,900.18
  6. Step 6: Final answer
    x = 31,989.36

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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.