Home / 49,379.37-74,052.60-21,281.88

Finding the Fourth Proportional to 49,379.37, 74,052.60 and 21,281.88

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Solution

The fourth proportional to 49,379.37, 74,052.60 and 21,281.88 is: 31,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379.37 : 74,052.60 = 21,281.88 : x
  2. Step 2: Convert to fraction form
    49,379.37/74,052.60 = 21,281.88/x
  3. Step 3: Cross multiply
    49,379.37x = 74,052.60 × 21,281.88
  4. Step 4: Simplify right side
    49,379.37x = 1,575,978,546.89
  5. Step 5: Solve for x
    x = 1,575,978,546.89/49,379.37
  6. Step 6: Final answer
    x = 31,915.73

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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.