Home / 31,983.23-47,975.03-8,289.15

Finding the Fourth Proportional to 31,983.23, 47,975.03 and 8,289.15

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Solution

The fourth proportional to 31,983.23, 47,975.03 and 8,289.15 is: 12,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.23 : 47,975.03 = 8,289.15 : x
  2. Step 2: Convert to fraction form
    31,983.23/47,975.03 = 8,289.15/x
  3. Step 3: Cross multiply
    31,983.23x = 47,975.03 × 8,289.15
  4. Step 4: Simplify right side
    31,983.23x = 397,672,178.48
  5. Step 5: Solve for x
    x = 397,672,178.48/31,983.23
  6. Step 6: Final answer
    x = 12,433.77

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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.