Home / 50,558.81-75,805.82-20,997.05

Finding the Fourth Proportional to 50,558.81, 75,805.82 and 20,997.05

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Solution

The fourth proportional to 50,558.81, 75,805.82 and 20,997.05 is: 31,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,558.81 : 75,805.82 = 20,997.05 : x
  2. Step 2: Convert to fraction form
    50,558.81/75,805.82 = 20,997.05/x
  3. Step 3: Cross multiply
    50,558.81x = 75,805.82 × 20,997.05
  4. Step 4: Simplify right side
    50,558.81x = 1,591,698,487.85
  5. Step 5: Solve for x
    x = 1,591,698,487.85/50,558.81
  6. Step 6: Final answer
    x = 31,482.12

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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.