Home / 51,119.88-76,691.40-15,584.34

Finding the Fourth Proportional to 51,119.88, 76,691.40 and 15,584.34

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Solution

The fourth proportional to 51,119.88, 76,691.40 and 15,584.34 is: 23,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,119.88 : 76,691.40 = 15,584.34 : x
  2. Step 2: Convert to fraction form
    51,119.88/76,691.40 = 15,584.34/x
  3. Step 3: Cross multiply
    51,119.88x = 76,691.40 × 15,584.34
  4. Step 4: Simplify right side
    51,119.88x = 1,195,184,852.68
  5. Step 5: Solve for x
    x = 1,195,184,852.68/51,119.88
  6. Step 6: Final answer
    x = 23,380.04

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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.