Home / 55,083.24-82,625.40-21,811.41

Finding the Fourth Proportional to 55,083.24, 82,625.40 and 21,811.41

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Solution

The fourth proportional to 55,083.24, 82,625.40 and 21,811.41 is: 32,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,083.24 : 82,625.40 = 21,811.41 : x
  2. Step 2: Convert to fraction form
    55,083.24/82,625.40 = 21,811.41/x
  3. Step 3: Cross multiply
    55,083.24x = 82,625.40 × 21,811.41
  4. Step 4: Simplify right side
    55,083.24x = 1,802,176,475.81
  5. Step 5: Solve for x
    x = 1,802,176,475.81/55,083.24
  6. Step 6: Final answer
    x = 32,717.33

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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.