Home / 31,719.73-47,609.12-16,149.01

Finding the Fourth Proportional to 31,719.73, 47,609.12 and 16,149.01

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Solution

The fourth proportional to 31,719.73, 47,609.12 and 16,149.01 is: 24,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.73 : 47,609.12 = 16,149.01 : x
  2. Step 2: Convert to fraction form
    31,719.73/47,609.12 = 16,149.01/x
  3. Step 3: Cross multiply
    31,719.73x = 47,609.12 × 16,149.01
  4. Step 4: Simplify right side
    31,719.73x = 768,840,074.23
  5. Step 5: Solve for x
    x = 768,840,074.23/31,719.73
  6. Step 6: Final answer
    x = 24,238.54

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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.