Home / 55,771.10-76,964.68-30,277.70

Finding the Fourth Proportional to 55,771.10, 76,964.68 and 30,277.70

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Solution

The fourth proportional to 55,771.10, 76,964.68 and 30,277.70 is: 41,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.10 : 76,964.68 = 30,277.70 : x
  2. Step 2: Convert to fraction form
    55,771.10/76,964.68 = 30,277.70/x
  3. Step 3: Cross multiply
    55,771.10x = 76,964.68 × 30,277.70
  4. Step 4: Simplify right side
    55,771.10x = 2,330,313,433.28
  5. Step 5: Solve for x
    x = 2,330,313,433.28/55,771.10
  6. Step 6: Final answer
    x = 41,783.53

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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.