Home / 50,045.82-75,066.57-20,453.82

Finding the Fourth Proportional to 50,045.82, 75,066.57 and 20,453.82

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Solution

The fourth proportional to 50,045.82, 75,066.57 and 20,453.82 is: 30,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,045.82 : 75,066.57 = 20,453.82 : x
  2. Step 2: Convert to fraction form
    50,045.82/75,066.57 = 20,453.82/x
  3. Step 3: Cross multiply
    50,045.82x = 75,066.57 × 20,453.82
  4. Step 4: Simplify right side
    50,045.82x = 1,535,398,110.80
  5. Step 5: Solve for x
    x = 1,535,398,110.80/50,045.82
  6. Step 6: Final answer
    x = 30,679.85

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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.