Home / 51,198.37-76,832.15-17,918.72

Finding the Fourth Proportional to 51,198.37, 76,832.15 and 17,918.72

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Solution

The fourth proportional to 51,198.37, 76,832.15 and 17,918.72 is: 26,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,198.37 : 76,832.15 = 17,918.72 : x
  2. Step 2: Convert to fraction form
    51,198.37/76,832.15 = 17,918.72/x
  3. Step 3: Cross multiply
    51,198.37x = 76,832.15 × 17,918.72
  4. Step 4: Simplify right side
    51,198.37x = 1,376,733,782.85
  5. Step 5: Solve for x
    x = 1,376,733,782.85/51,198.37
  6. Step 6: Final answer
    x = 26,890.19

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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.