Home / 55,770.73-76,964.53-30,277.09

Finding the Fourth Proportional to 55,770.73, 76,964.53 and 30,277.09

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Solution

The fourth proportional to 55,770.73, 76,964.53 and 30,277.09 is: 41,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.73 : 76,964.53 = 30,277.09 : x
  2. Step 2: Convert to fraction form
    55,770.73/76,964.53 = 30,277.09/x
  3. Step 3: Cross multiply
    55,770.73x = 76,964.53 × 30,277.09
  4. Step 4: Simplify right side
    55,770.73x = 2,330,262,078.90
  5. Step 5: Solve for x
    x = 2,330,262,078.90/55,770.73
  6. Step 6: Final answer
    x = 41,782.89

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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.