Home / 55,144.08-82,718.76-15,703.92

Finding the Fourth Proportional to 55,144.08, 82,718.76 and 15,703.92

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Solution

The fourth proportional to 55,144.08, 82,718.76 and 15,703.92 is: 23,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,144.08 : 82,718.76 = 15,703.92 : x
  2. Step 2: Convert to fraction form
    55,144.08/82,718.76 = 15,703.92/x
  3. Step 3: Cross multiply
    55,144.08x = 82,718.76 × 15,703.92
  4. Step 4: Simplify right side
    55,144.08x = 1,299,008,789.54
  5. Step 5: Solve for x
    x = 1,299,008,789.54/55,144.08
  6. Step 6: Final answer
    x = 23,556.63

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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.