Home / 31,711.89-43,762.30-17,564.73

Finding the Fourth Proportional to 31,711.89, 43,762.30 and 17,564.73

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Solution

The fourth proportional to 31,711.89, 43,762.30 and 17,564.73 is: 24,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.89 : 43,762.30 = 17,564.73 : x
  2. Step 2: Convert to fraction form
    31,711.89/43,762.30 = 17,564.73/x
  3. Step 3: Cross multiply
    31,711.89x = 43,762.30 × 17,564.73
  4. Step 4: Simplify right side
    31,711.89x = 768,672,983.68
  5. Step 5: Solve for x
    x = 768,672,983.68/31,711.89
  6. Step 6: Final answer
    x = 24,239.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.