Home / 55,543.92-76,650.54-30,393.36

Finding the Fourth Proportional to 55,543.92, 76,650.54 and 30,393.36

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Solution

The fourth proportional to 55,543.92, 76,650.54 and 30,393.36 is: 41,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,543.92 : 76,650.54 = 30,393.36 : x
  2. Step 2: Convert to fraction form
    55,543.92/76,650.54 = 30,393.36/x
  3. Step 3: Cross multiply
    55,543.92x = 76,650.54 × 30,393.36
  4. Step 4: Simplify right side
    55,543.92x = 2,329,667,456.41
  5. Step 5: Solve for x
    x = 2,329,667,456.41/55,543.92
  6. Step 6: Final answer
    x = 41,942.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.