Home / 50,415.14-75,622.73-20,800.44

Finding the Fourth Proportional to 50,415.14, 75,622.73 and 20,800.44

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Solution

The fourth proportional to 50,415.14, 75,622.73 and 20,800.44 is: 31,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415.14 : 75,622.73 = 20,800.44 : x
  2. Step 2: Convert to fraction form
    50,415.14/75,622.73 = 20,800.44/x
  3. Step 3: Cross multiply
    50,415.14x = 75,622.73 × 20,800.44
  4. Step 4: Simplify right side
    50,415.14x = 1,572,985,954.00
  5. Step 5: Solve for x
    x = 1,572,985,954.00/50,415.14
  6. Step 6: Final answer
    x = 31,200.66

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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.