Home / 31,963.37-47,945.00-8,589.80

Finding the Fourth Proportional to 31,963.37, 47,945.00 and 8,589.80

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Solution

The fourth proportional to 31,963.37, 47,945.00 and 8,589.80 is: 12,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,963.37 : 47,945.00 = 8,589.80 : x
  2. Step 2: Convert to fraction form
    31,963.37/47,945.00 = 8,589.80/x
  3. Step 3: Cross multiply
    31,963.37x = 47,945.00 × 8,589.80
  4. Step 4: Simplify right side
    31,963.37x = 411,838,102.34
  5. Step 5: Solve for x
    x = 411,838,102.34/31,963.37
  6. Step 6: Final answer
    x = 12,884.69

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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.