Home / 40,470.62-60,664.88-19,379.75

Finding the Fourth Proportional to 40,470.62, 60,664.88 and 19,379.75

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Solution

The fourth proportional to 40,470.62, 60,664.88 and 19,379.75 is: 29,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,470.62 : 60,664.88 = 19,379.75 : x
  2. Step 2: Convert to fraction form
    40,470.62/60,664.88 = 19,379.75/x
  3. Step 3: Cross multiply
    40,470.62x = 60,664.88 × 19,379.75
  4. Step 4: Simplify right side
    40,470.62x = 1,175,669,807.96
  5. Step 5: Solve for x
    x = 1,175,669,807.96/40,470.62
  6. Step 6: Final answer
    x = 29,049.96

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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.