Home / 50,319.12-75,445.62-28,134.84

Finding the Fourth Proportional to 50,319.12, 75,445.62 and 28,134.84

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Solution

The fourth proportional to 50,319.12, 75,445.62 and 28,134.84 is: 42,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,319.12 : 75,445.62 = 28,134.84 : x
  2. Step 2: Convert to fraction form
    50,319.12/75,445.62 = 28,134.84/x
  3. Step 3: Cross multiply
    50,319.12x = 75,445.62 × 28,134.84
  4. Step 4: Simplify right side
    50,319.12x = 2,122,650,447.40
  5. Step 5: Solve for x
    x = 2,122,650,447.40/50,319.12
  6. Step 6: Final answer
    x = 42,183.78

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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.