Home / 43,205.91-64,806.70-16,915.47

Finding the Fourth Proportional to 43,205.91, 64,806.70 and 16,915.47

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Solution

The fourth proportional to 43,205.91, 64,806.70 and 16,915.47 is: 25,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,205.91 : 64,806.70 = 16,915.47 : x
  2. Step 2: Convert to fraction form
    43,205.91/64,806.70 = 16,915.47/x
  3. Step 3: Cross multiply
    43,205.91x = 64,806.70 × 16,915.47
  4. Step 4: Simplify right side
    43,205.91x = 1,096,235,789.65
  5. Step 5: Solve for x
    x = 1,096,235,789.65/43,205.91
  6. Step 6: Final answer
    x = 25,372.36

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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.