Home / 50,065.44-75,111.12-18,900.96

Finding the Fourth Proportional to 50,065.44, 75,111.12 and 18,900.96

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Solution

The fourth proportional to 50,065.44, 75,111.12 and 18,900.96 is: 28,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,065.44 : 75,111.12 = 18,900.96 : x
  2. Step 2: Convert to fraction form
    50,065.44/75,111.12 = 18,900.96/x
  3. Step 3: Cross multiply
    50,065.44x = 75,111.12 × 18,900.96
  4. Step 4: Simplify right side
    50,065.44x = 1,419,672,274.68
  5. Step 5: Solve for x
    x = 1,419,672,274.68/50,065.44
  6. Step 6: Final answer
    x = 28,356.33

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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.