Home / 31,727.75-47,598.30-12,005.87

Finding the Fourth Proportional to 31,727.75, 47,598.30 and 12,005.87

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Solution

The fourth proportional to 31,727.75, 47,598.30 and 12,005.87 is: 18,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.75 : 47,598.30 = 12,005.87 : x
  2. Step 2: Convert to fraction form
    31,727.75/47,598.30 = 12,005.87/x
  3. Step 3: Cross multiply
    31,727.75x = 47,598.30 × 12,005.87
  4. Step 4: Simplify right side
    31,727.75x = 571,458,764.03
  5. Step 5: Solve for x
    x = 571,458,764.03/31,727.75
  6. Step 6: Final answer
    x = 18,011.33

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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.