Home / 50,241.75-75,360.39-20,658.93

Finding the Fourth Proportional to 50,241.75, 75,360.39 and 20,658.93

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Solution

The fourth proportional to 50,241.75, 75,360.39 and 20,658.93 is: 30,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,241.75 : 75,360.39 = 20,658.93 : x
  2. Step 2: Convert to fraction form
    50,241.75/75,360.39 = 20,658.93/x
  3. Step 3: Cross multiply
    50,241.75x = 75,360.39 × 20,658.93
  4. Step 4: Simplify right side
    50,241.75x = 1,556,865,021.78
  5. Step 5: Solve for x
    x = 1,556,865,021.78/50,241.75
  6. Step 6: Final answer
    x = 30,987.48

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1.5x scale

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.