Home / 32,431.44-48,633.12-13,719.84

Finding the Fourth Proportional to 32,431.44, 48,633.12 and 13,719.84

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Solution

The fourth proportional to 32,431.44, 48,633.12 and 13,719.84 is: 20,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,431.44 : 48,633.12 = 13,719.84 : x
  2. Step 2: Convert to fraction form
    32,431.44/48,633.12 = 13,719.84/x
  3. Step 3: Cross multiply
    32,431.44x = 48,633.12 × 13,719.84
  4. Step 4: Simplify right side
    32,431.44x = 667,238,625.10
  5. Step 5: Solve for x
    x = 667,238,625.10/32,431.44
  6. Step 6: Final answer
    x = 20,573.82

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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.