Home / 50,850.88-70,171.68-28,490.56

Finding the Fourth Proportional to 50,850.88, 70,171.68 and 28,490.56

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Solution

The fourth proportional to 50,850.88, 70,171.68 and 28,490.56 is: 39,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,850.88 : 70,171.68 = 28,490.56 : x
  2. Step 2: Convert to fraction form
    50,850.88/70,171.68 = 28,490.56/x
  3. Step 3: Cross multiply
    50,850.88x = 70,171.68 × 28,490.56
  4. Step 4: Simplify right side
    50,850.88x = 1,999,230,459.34
  5. Step 5: Solve for x
    x = 1,999,230,459.34/50,850.88
  6. Step 6: Final answer
    x = 39,315.55

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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.