Home / 43,680.65-65,520.97-17,385.62

Finding the Fourth Proportional to 43,680.65, 65,520.97 and 17,385.62

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Solution

The fourth proportional to 43,680.65, 65,520.97 and 17,385.62 is: 26,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,680.65 : 65,520.97 = 17,385.62 : x
  2. Step 2: Convert to fraction form
    43,680.65/65,520.97 = 17,385.62/x
  3. Step 3: Cross multiply
    43,680.65x = 65,520.97 × 17,385.62
  4. Step 4: Simplify right side
    43,680.65x = 1,139,122,315.38
  5. Step 5: Solve for x
    x = 1,139,122,315.38/43,680.65
  6. Step 6: Final answer
    x = 26,078.42

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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.