Home / 55,764.76-76,952.73-30,270.55

Finding the Fourth Proportional to 55,764.76, 76,952.73 and 30,270.55

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Solution

The fourth proportional to 55,764.76, 76,952.73 and 30,270.55 is: 41,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,764.76 : 76,952.73 = 30,270.55 : x
  2. Step 2: Convert to fraction form
    55,764.76/76,952.73 = 30,270.55/x
  3. Step 3: Cross multiply
    55,764.76x = 76,952.73 × 30,270.55
  4. Step 4: Simplify right side
    55,764.76x = 2,329,401,076.34
  5. Step 5: Solve for x
    x = 2,329,401,076.34/55,764.76
  6. Step 6: Final answer
    x = 41,771.92

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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.