Home / 51,188.58-76,782.47-19,591.29

Finding the Fourth Proportional to 51,188.58, 76,782.47 and 19,591.29

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Solution

The fourth proportional to 51,188.58, 76,782.47 and 19,591.29 is: 29,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188.58 : 76,782.47 = 19,591.29 : x
  2. Step 2: Convert to fraction form
    51,188.58/76,782.47 = 19,591.29/x
  3. Step 3: Cross multiply
    51,188.58x = 76,782.47 × 19,591.29
  4. Step 4: Simplify right side
    51,188.58x = 1,504,267,538.73
  5. Step 5: Solve for x
    x = 1,504,267,538.73/51,188.58
  6. Step 6: Final answer
    x = 29,386.78

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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.