Home / 50,100.46-75,150.18-12,659.77

Finding the Fourth Proportional to 50,100.46, 75,150.18 and 12,659.77

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Solution

The fourth proportional to 50,100.46, 75,150.18 and 12,659.77 is: 18,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,100.46 : 75,150.18 = 12,659.77 : x
  2. Step 2: Convert to fraction form
    50,100.46/75,150.18 = 12,659.77/x
  3. Step 3: Cross multiply
    50,100.46x = 75,150.18 × 12,659.77
  4. Step 4: Simplify right side
    50,100.46x = 951,383,994.26
  5. Step 5: Solve for x
    x = 951,383,994.26/50,100.46
  6. Step 6: Final answer
    x = 18,989.53

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Double scale
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Similar ratio
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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.