Home / 55,249.51-82,874.13-15,806.56

Finding the Fourth Proportional to 55,249.51, 82,874.13 and 15,806.56

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Solution

The fourth proportional to 55,249.51, 82,874.13 and 15,806.56 is: 23,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,249.51 : 82,874.13 = 15,806.56 : x
  2. Step 2: Convert to fraction form
    55,249.51/82,874.13 = 15,806.56/x
  3. Step 3: Cross multiply
    55,249.51x = 82,874.13 × 15,806.56
  4. Step 4: Simplify right side
    55,249.51x = 1,309,954,908.29
  5. Step 5: Solve for x
    x = 1,309,954,908.29/55,249.51
  6. Step 6: Final answer
    x = 23,709.80

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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.