Home / 31,961.23-47,939.87-9,772.86

Finding the Fourth Proportional to 31,961.23, 47,939.87 and 9,772.86

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Solution

The fourth proportional to 31,961.23, 47,939.87 and 9,772.86 is: 14,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.23 : 47,939.87 = 9,772.86 : x
  2. Step 2: Convert to fraction form
    31,961.23/47,939.87 = 9,772.86/x
  3. Step 3: Cross multiply
    31,961.23x = 47,939.87 × 9,772.86
  4. Step 4: Simplify right side
    31,961.23x = 468,509,349.36
  5. Step 5: Solve for x
    x = 468,509,349.36/31,961.23
  6. Step 6: Final answer
    x = 14,658.68

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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.