Home / 50,581.55-75,902.70-20,996.30

Finding the Fourth Proportional to 50,581.55, 75,902.70 and 20,996.30

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Solution

The fourth proportional to 50,581.55, 75,902.70 and 20,996.30 is: 31,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,581.55 : 75,902.70 = 20,996.30 : x
  2. Step 2: Convert to fraction form
    50,581.55/75,902.70 = 20,996.30/x
  3. Step 3: Cross multiply
    50,581.55x = 75,902.70 × 20,996.30
  4. Step 4: Simplify right side
    50,581.55x = 1,593,675,860.01
  5. Step 5: Solve for x
    x = 1,593,675,860.01/50,581.55
  6. Step 6: Final answer
    x = 31,507.06

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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.