Home / 50,517.12-69,714.10-27,857.02

Finding the Fourth Proportional to 50,517.12, 69,714.10 and 27,857.02

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Solution

The fourth proportional to 50,517.12, 69,714.10 and 27,857.02 is: 38,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,517.12 : 69,714.10 = 27,857.02 : x
  2. Step 2: Convert to fraction form
    50,517.12/69,714.10 = 27,857.02/x
  3. Step 3: Cross multiply
    50,517.12x = 69,714.10 × 27,857.02
  4. Step 4: Simplify right side
    50,517.12x = 1,942,027,077.98
  5. Step 5: Solve for x
    x = 1,942,027,077.98/50,517.12
  6. Step 6: Final answer
    x = 38,442.95

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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.