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Finding the Fourth Proportional to 50,208.88, 75,212.91 and 30,207.34

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Solution

The fourth proportional to 50,208.88, 75,212.91 and 30,207.34 is: 45,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,208.88 : 75,212.91 = 30,207.34 : x
  2. Step 2: Convert to fraction form
    50,208.88/75,212.91 = 30,207.34/x
  3. Step 3: Cross multiply
    50,208.88x = 75,212.91 × 30,207.34
  4. Step 4: Simplify right side
    50,208.88x = 2,271,981,944.76
  5. Step 5: Solve for x
    x = 2,271,981,944.76/50,208.88
  6. Step 6: Final answer
    x = 45,250.60

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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.