Home / 50,820.96-70,138.11-29,311.54

Finding the Fourth Proportional to 50,820.96, 70,138.11 and 29,311.54

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Solution

The fourth proportional to 50,820.96, 70,138.11 and 29,311.54 is: 40,452.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.96 : 70,138.11 = 29,311.54 : x
  2. Step 2: Convert to fraction form
    50,820.96/70,138.11 = 29,311.54/x
  3. Step 3: Cross multiply
    50,820.96x = 70,138.11 × 29,311.54
  4. Step 4: Simplify right side
    50,820.96x = 2,055,856,016.79
  5. Step 5: Solve for x
    x = 2,055,856,016.79/50,820.96
  6. Step 6: Final answer
    x = 40,452.92

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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.