Home / 50,638.64-69,879.20-29,126.75

Finding the Fourth Proportional to 50,638.64, 69,879.20 and 29,126.75

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Solution

The fourth proportional to 50,638.64, 69,879.20 and 29,126.75 is: 40,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,638.64 : 69,879.20 = 29,126.75 : x
  2. Step 2: Convert to fraction form
    50,638.64/69,879.20 = 29,126.75/x
  3. Step 3: Cross multiply
    50,638.64x = 69,879.20 × 29,126.75
  4. Step 4: Simplify right side
    50,638.64x = 2,035,353,493.57
  5. Step 5: Solve for x
    x = 2,035,353,493.57/50,638.64
  6. Step 6: Final answer
    x = 40,193.69

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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.