Home / 55,771.32-76,964.49-30,277.70

Finding the Fourth Proportional to 55,771.32, 76,964.49 and 30,277.70

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Solution

The fourth proportional to 55,771.32, 76,964.49 and 30,277.70 is: 41,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.32 : 76,964.49 = 30,277.70 : x
  2. Step 2: Convert to fraction form
    55,771.32/76,964.49 = 30,277.70/x
  3. Step 3: Cross multiply
    55,771.32x = 76,964.49 × 30,277.70
  4. Step 4: Simplify right side
    55,771.32x = 2,330,307,738.87
  5. Step 5: Solve for x
    x = 2,330,307,738.87/55,771.32
  6. Step 6: Final answer
    x = 41,783.26

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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.