Home / 55,339.44-76,369.64-30,188.92

Finding the Fourth Proportional to 55,339.44, 76,369.64 and 30,188.92

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Solution

The fourth proportional to 55,339.44, 76,369.64 and 30,188.92 is: 41,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.44 : 76,369.64 = 30,188.92 : x
  2. Step 2: Convert to fraction form
    55,339.44/76,369.64 = 30,188.92/x
  3. Step 3: Cross multiply
    55,339.44x = 76,369.64 × 30,188.92
  4. Step 4: Simplify right side
    55,339.44x = 2,305,516,952.39
  5. Step 5: Solve for x
    x = 2,305,516,952.39/55,339.44
  6. Step 6: Final answer
    x = 41,661.37

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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.