Home / 51,680.70-71,318.44-29,019.86

Finding the Fourth Proportional to 51,680.70, 71,318.44 and 29,019.86

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Solution

The fourth proportional to 51,680.70, 71,318.44 and 29,019.86 is: 40,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680.70 : 71,318.44 = 29,019.86 : x
  2. Step 2: Convert to fraction form
    51,680.70/71,318.44 = 29,019.86/x
  3. Step 3: Cross multiply
    51,680.70x = 71,318.44 × 29,019.86
  4. Step 4: Simplify right side
    51,680.70x = 2,069,651,144.22
  5. Step 5: Solve for x
    x = 2,069,651,144.22/51,680.70
  6. Step 6: Final answer
    x = 40,046.89

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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.