Home / 55,336.37-76,364.26-30,185.87

Finding the Fourth Proportional to 55,336.37, 76,364.26 and 30,185.87

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Solution

The fourth proportional to 55,336.37, 76,364.26 and 30,185.87 is: 41,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,336.37 : 76,364.26 = 30,185.87 : x
  2. Step 2: Convert to fraction form
    55,336.37/76,364.26 = 30,185.87/x
  3. Step 3: Cross multiply
    55,336.37x = 76,364.26 × 30,185.87
  4. Step 4: Simplify right side
    55,336.37x = 2,305,121,167.72
  5. Step 5: Solve for x
    x = 2,305,121,167.72/55,336.37
  6. Step 6: Final answer
    x = 41,656.53

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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.