Home / 50,028.50-75,052.79-18,438.72

Finding the Fourth Proportional to 50,028.50, 75,052.79 and 18,438.72

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Solution

The fourth proportional to 50,028.50, 75,052.79 and 18,438.72 is: 27,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,028.50 : 75,052.79 = 18,438.72 : x
  2. Step 2: Convert to fraction form
    50,028.50/75,052.79 = 18,438.72/x
  3. Step 3: Cross multiply
    50,028.50x = 75,052.79 × 18,438.72
  4. Step 4: Simplify right side
    50,028.50x = 1,383,877,426.13
  5. Step 5: Solve for x
    x = 1,383,877,426.13/50,028.50
  6. Step 6: Final answer
    x = 27,661.78

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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.