Home / 31,902.70-47,850.40-8,530.96

Finding the Fourth Proportional to 31,902.70, 47,850.40 and 8,530.96

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Solution

The fourth proportional to 31,902.70, 47,850.40 and 8,530.96 is: 12,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,902.70 : 47,850.40 = 8,530.96 : x
  2. Step 2: Convert to fraction form
    31,902.70/47,850.40 = 8,530.96/x
  3. Step 3: Cross multiply
    31,902.70x = 47,850.40 × 8,530.96
  4. Step 4: Simplify right side
    31,902.70x = 408,209,739.42
  5. Step 5: Solve for x
    x = 408,209,739.42/31,902.70
  6. Step 6: Final answer
    x = 12,795.46

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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.