Home / 51,130.91-76,714.82-17,855.88

Finding the Fourth Proportional to 51,130.91, 76,714.82 and 17,855.88

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Solution

The fourth proportional to 51,130.91, 76,714.82 and 17,855.88 is: 26,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,130.91 : 76,714.82 = 17,855.88 : x
  2. Step 2: Convert to fraction form
    51,130.91/76,714.82 = 17,855.88/x
  3. Step 3: Cross multiply
    51,130.91x = 76,714.82 × 17,855.88
  4. Step 4: Simplify right side
    51,130.91x = 1,369,810,530.86
  5. Step 5: Solve for x
    x = 1,369,810,530.86/51,130.91
  6. Step 6: Final answer
    x = 26,790.27

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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.