Home / 50,454.42-75,716.82-20,872.50

Finding the Fourth Proportional to 50,454.42, 75,716.82 and 20,872.50

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Solution

The fourth proportional to 50,454.42, 75,716.82 and 20,872.50 is: 31,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,454.42 : 75,716.82 = 20,872.50 : x
  2. Step 2: Convert to fraction form
    50,454.42/75,716.82 = 20,872.50/x
  3. Step 3: Cross multiply
    50,454.42x = 75,716.82 × 20,872.50
  4. Step 4: Simplify right side
    50,454.42x = 1,580,399,325.45
  5. Step 5: Solve for x
    x = 1,580,399,325.45/50,454.42
  6. Step 6: Final answer
    x = 31,323.31

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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.