Home / 50,128.88-69,177.85-29,986.61

Finding the Fourth Proportional to 50,128.88, 69,177.85 and 29,986.61

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Solution

The fourth proportional to 50,128.88, 69,177.85 and 29,986.61 is: 41,381.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,128.88 : 69,177.85 = 29,986.61 : x
  2. Step 2: Convert to fraction form
    50,128.88/69,177.85 = 29,986.61/x
  3. Step 3: Cross multiply
    50,128.88x = 69,177.85 × 29,986.61
  4. Step 4: Simplify right side
    50,128.88x = 2,074,408,787.73
  5. Step 5: Solve for x
    x = 2,074,408,787.73/50,128.88
  6. Step 6: Final answer
    x = 41,381.51

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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.