Home / 51,162.12-76,761.54-17,891.34

Finding the Fourth Proportional to 51,162.12, 76,761.54 and 17,891.34

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Solution

The fourth proportional to 51,162.12, 76,761.54 and 17,891.34 is: 26,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,162.12 : 76,761.54 = 17,891.34 : x
  2. Step 2: Convert to fraction form
    51,162.12/76,761.54 = 17,891.34/x
  3. Step 3: Cross multiply
    51,162.12x = 76,761.54 × 17,891.34
  4. Step 4: Simplify right side
    51,162.12x = 1,373,366,811.06
  5. Step 5: Solve for x
    x = 1,373,366,811.06/51,162.12
  6. Step 6: Final answer
    x = 26,843.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.