Home / 55,336.43-76,364.11-30,185.75

Finding the Fourth Proportional to 55,336.43, 76,364.11 and 30,185.75

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Solution

The fourth proportional to 55,336.43, 76,364.11 and 30,185.75 is: 41,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,336.43 : 76,364.11 = 30,185.75 : x
  2. Step 2: Convert to fraction form
    55,336.43/76,364.11 = 30,185.75/x
  3. Step 3: Cross multiply
    55,336.43x = 76,364.11 × 30,185.75
  4. Step 4: Simplify right side
    55,336.43x = 2,305,107,933.43
  5. Step 5: Solve for x
    x = 2,305,107,933.43/55,336.43
  6. Step 6: Final answer
    x = 41,656.25

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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.