Home / 43,277-64,915.92-16,984.40

Finding the Fourth Proportional to 43,277, 64,915.92 and 16,984.40

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Solution

The fourth proportional to 43,277, 64,915.92 and 16,984.40 is: 25,476.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,277 : 64,915.92 = 16,984.40 : x
  2. Step 2: Convert to fraction form
    43,277/64,915.92 = 16,984.40/x
  3. Step 3: Cross multiply
    43,277x = 64,915.92 × 16,984.40
  4. Step 4: Simplify right side
    43,277x = 1,102,557,951.65
  5. Step 5: Solve for x
    x = 1,102,557,951.65/43,277
  6. Step 6: Final answer
    x = 25,476.76

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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.