Home / 31,623.36-43,644.87-19,047.84

Finding the Fourth Proportional to 31,623.36, 43,644.87 and 19,047.84

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Solution

The fourth proportional to 31,623.36, 43,644.87 and 19,047.84 is: 26,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.36 : 43,644.87 = 19,047.84 : x
  2. Step 2: Convert to fraction form
    31,623.36/43,644.87 = 19,047.84/x
  3. Step 3: Cross multiply
    31,623.36x = 43,644.87 × 19,047.84
  4. Step 4: Simplify right side
    31,623.36x = 831,340,500.58
  5. Step 5: Solve for x
    x = 831,340,500.58/31,623.36
  6. Step 6: Final answer
    x = 26,288.81

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Why These Related Problems?

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