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Finding the Fourth Proportional to 31,797.70, 47,592.87 and 22,431.94

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Solution

The fourth proportional to 31,797.70, 47,592.87 and 22,431.94 is: 33,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,797.70 : 47,592.87 = 22,431.94 : x
  2. Step 2: Convert to fraction form
    31,797.70/47,592.87 = 22,431.94/x
  3. Step 3: Cross multiply
    31,797.70x = 47,592.87 × 22,431.94
  4. Step 4: Simplify right side
    31,797.70x = 1,067,600,404.27
  5. Step 5: Solve for x
    x = 1,067,600,404.27/31,797.70
  6. Step 6: Final answer
    x = 33,574.77

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1.5x scale

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.