Home / 50,039.64-74,994.66-20,423.61

Finding the Fourth Proportional to 50,039.64, 74,994.66 and 20,423.61

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Solution

The fourth proportional to 50,039.64, 74,994.66 and 20,423.61 is: 30,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,039.64 : 74,994.66 = 20,423.61 : x
  2. Step 2: Convert to fraction form
    50,039.64/74,994.66 = 20,423.61/x
  3. Step 3: Cross multiply
    50,039.64x = 74,994.66 × 20,423.61
  4. Step 4: Simplify right side
    50,039.64x = 1,531,661,687.92
  5. Step 5: Solve for x
    x = 1,531,661,687.92/50,039.64
  6. Step 6: Final answer
    x = 30,608.97

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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.