Home / 40,317.12-55,633.86-23,318.64

Finding the Fourth Proportional to 40,317.12, 55,633.86 and 23,318.64

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Solution

The fourth proportional to 40,317.12, 55,633.86 and 23,318.64 is: 32,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,317.12 : 55,633.86 = 23,318.64 : x
  2. Step 2: Convert to fraction form
    40,317.12/55,633.86 = 23,318.64/x
  3. Step 3: Cross multiply
    40,317.12x = 55,633.86 × 23,318.64
  4. Step 4: Simplify right side
    40,317.12x = 1,297,305,953.15
  5. Step 5: Solve for x
    x = 1,297,305,953.15/40,317.12
  6. Step 6: Final answer
    x = 32,177.55

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