Home / 50,849.88-70,170.30-28,489.56

Finding the Fourth Proportional to 50,849.88, 70,170.30 and 28,489.56

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Solution

The fourth proportional to 50,849.88, 70,170.30 and 28,489.56 is: 39,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,849.88 : 70,170.30 = 28,489.56 : x
  2. Step 2: Convert to fraction form
    50,849.88/70,170.30 = 28,489.56/x
  3. Step 3: Cross multiply
    50,849.88x = 70,170.30 × 28,489.56
  4. Step 4: Simplify right side
    50,849.88x = 1,999,120,972.07
  5. Step 5: Solve for x
    x = 1,999,120,972.07/50,849.88
  6. Step 6: Final answer
    x = 39,314.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.