Home / 29,690.46-40,972.89-16,078.65

Finding the Fourth Proportional to 29,690.46, 40,972.89 and 16,078.65

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Solution

The fourth proportional to 29,690.46, 40,972.89 and 16,078.65 is: 22,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,690.46 : 40,972.89 = 16,078.65 : x
  2. Step 2: Convert to fraction form
    29,690.46/40,972.89 = 16,078.65/x
  3. Step 3: Cross multiply
    29,690.46x = 40,972.89 × 16,078.65
  4. Step 4: Simplify right side
    29,690.46x = 658,788,757.80
  5. Step 5: Solve for x
    x = 658,788,757.80/29,690.46
  6. Step 6: Final answer
    x = 22,188.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.