Home / 31,989.08-47,983.56-17,204.96

Finding the Fourth Proportional to 31,989.08, 47,983.56 and 17,204.96

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Solution

The fourth proportional to 31,989.08, 47,983.56 and 17,204.96 is: 25,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.08 : 47,983.56 = 17,204.96 : x
  2. Step 2: Convert to fraction form
    31,989.08/47,983.56 = 17,204.96/x
  3. Step 3: Cross multiply
    31,989.08x = 47,983.56 × 17,204.96
  4. Step 4: Simplify right side
    31,989.08x = 825,555,230.46
  5. Step 5: Solve for x
    x = 825,555,230.46/31,989.08
  6. Step 6: Final answer
    x = 25,807.41

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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.