Home / 55,749.26-76,934.54-30,255.85

Finding the Fourth Proportional to 55,749.26, 76,934.54 and 30,255.85

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Solution

The fourth proportional to 55,749.26, 76,934.54 and 30,255.85 is: 41,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,749.26 : 76,934.54 = 30,255.85 : x
  2. Step 2: Convert to fraction form
    55,749.26/76,934.54 = 30,255.85/x
  3. Step 3: Cross multiply
    55,749.26x = 76,934.54 × 30,255.85
  4. Step 4: Simplify right side
    55,749.26x = 2,327,719,366.11
  5. Step 5: Solve for x
    x = 2,327,719,366.11/55,749.26
  6. Step 6: Final answer
    x = 41,753.37

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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.