Home / 36,699.18-50,643.81-20,785.02

Finding the Fourth Proportional to 36,699.18, 50,643.81 and 20,785.02

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Solution

The fourth proportional to 36,699.18, 50,643.81 and 20,785.02 is: 28,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.18 : 50,643.81 = 20,785.02 : x
  2. Step 2: Convert to fraction form
    36,699.18/50,643.81 = 20,785.02/x
  3. Step 3: Cross multiply
    36,699.18x = 50,643.81 × 20,785.02
  4. Step 4: Simplify right side
    36,699.18x = 1,052,632,603.73
  5. Step 5: Solve for x
    x = 1,052,632,603.73/36,699.18
  6. Step 6: Final answer
    x = 28,682.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.