Home / 31,917.34-47,786.00-16,890.42

Finding the Fourth Proportional to 31,917.34, 47,786.00 and 16,890.42

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Solution

The fourth proportional to 31,917.34, 47,786.00 and 16,890.42 is: 25,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.34 : 47,786.00 = 16,890.42 : x
  2. Step 2: Convert to fraction form
    31,917.34/47,786.00 = 16,890.42/x
  3. Step 3: Cross multiply
    31,917.34x = 47,786.00 × 16,890.42
  4. Step 4: Simplify right side
    31,917.34x = 807,125,799.87
  5. Step 5: Solve for x
    x = 807,125,799.87/31,917.34
  6. Step 6: Final answer
    x = 25,288.00

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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.