Home / 55,992.54-84,001.27-20,453.79

Finding the Fourth Proportional to 55,992.54, 84,001.27 and 20,453.79

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Solution

The fourth proportional to 55,992.54, 84,001.27 and 20,453.79 is: 30,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,992.54 : 84,001.27 = 20,453.79 : x
  2. Step 2: Convert to fraction form
    55,992.54/84,001.27 = 20,453.79/x
  3. Step 3: Cross multiply
    55,992.54x = 84,001.27 × 20,453.79
  4. Step 4: Simplify right side
    55,992.54x = 1,718,144,315.99
  5. Step 5: Solve for x
    x = 1,718,144,315.99/55,992.54
  6. Step 6: Final answer
    x = 30,685.24

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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.