Home / 31,927.25-47,841.44-21,936.76

Finding the Fourth Proportional to 31,927.25, 47,841.44 and 21,936.76

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Solution

The fourth proportional to 31,927.25, 47,841.44 and 21,936.76 is: 32,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,927.25 : 47,841.44 = 21,936.76 : x
  2. Step 2: Convert to fraction form
    31,927.25/47,841.44 = 21,936.76/x
  3. Step 3: Cross multiply
    31,927.25x = 47,841.44 × 21,936.76
  4. Step 4: Simplify right side
    31,927.25x = 1,049,486,187.33
  5. Step 5: Solve for x
    x = 1,049,486,187.33/31,927.25
  6. Step 6: Final answer
    x = 32,871.17

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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.