Home / 55,539.27-76,644.27-30,388.77

Finding the Fourth Proportional to 55,539.27, 76,644.27 and 30,388.77

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Solution

The fourth proportional to 55,539.27, 76,644.27 and 30,388.77 is: 41,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,539.27 : 76,644.27 = 30,388.77 : x
  2. Step 2: Convert to fraction form
    55,539.27/76,644.27 = 30,388.77/x
  3. Step 3: Cross multiply
    55,539.27x = 76,644.27 × 30,388.77
  4. Step 4: Simplify right side
    55,539.27x = 2,329,125,092.85
  5. Step 5: Solve for x
    x = 2,329,125,092.85/55,539.27
  6. Step 6: Final answer
    x = 41,936.54

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1.5x scale

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.