Home / 47,869.27-71,808.81-18,311.96

Finding the Fourth Proportional to 47,869.27, 71,808.81 and 18,311.96

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Solution

The fourth proportional to 47,869.27, 71,808.81 and 18,311.96 is: 27,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,869.27 : 71,808.81 = 18,311.96 : x
  2. Step 2: Convert to fraction form
    47,869.27/71,808.81 = 18,311.96/x
  3. Step 3: Cross multiply
    47,869.27x = 71,808.81 × 18,311.96
  4. Step 4: Simplify right side
    47,869.27x = 1,314,960,056.37
  5. Step 5: Solve for x
    x = 1,314,960,056.37/47,869.27
  6. Step 6: Final answer
    x = 27,469.82

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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.