Home / 51,188.25-76,779.73-19,613.44

Finding the Fourth Proportional to 51,188.25, 76,779.73 and 19,613.44

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Solution

The fourth proportional to 51,188.25, 76,779.73 and 19,613.44 is: 29,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188.25 : 76,779.73 = 19,613.44 : x
  2. Step 2: Convert to fraction form
    51,188.25/76,779.73 = 19,613.44/x
  3. Step 3: Cross multiply
    51,188.25x = 76,779.73 × 19,613.44
  4. Step 4: Simplify right side
    51,188.25x = 1,505,914,748.06
  5. Step 5: Solve for x
    x = 1,505,914,748.06/51,188.25
  6. Step 6: Final answer
    x = 29,419.15

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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.