Home / 43,672.05-65,521.94-15,591.50

Finding the Fourth Proportional to 43,672.05, 65,521.94 and 15,591.50

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Solution

The fourth proportional to 43,672.05, 65,521.94 and 15,591.50 is: 23,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,672.05 : 65,521.94 = 15,591.50 : x
  2. Step 2: Convert to fraction form
    43,672.05/65,521.94 = 15,591.50/x
  3. Step 3: Cross multiply
    43,672.05x = 65,521.94 × 15,591.50
  4. Step 4: Simplify right side
    43,672.05x = 1,021,584,921.94
  5. Step 5: Solve for x
    x = 1,021,584,921.94/43,672.05
  6. Step 6: Final answer
    x = 23,392.19

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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.