Home / 51,118.08-76,788.89-36,421.44

Finding the Fourth Proportional to 51,118.08, 76,788.89 and 36,421.44

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Solution

The fourth proportional to 51,118.08, 76,788.89 and 36,421.44 is: 54,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118.08 : 76,788.89 = 36,421.44 : x
  2. Step 2: Convert to fraction form
    51,118.08/76,788.89 = 36,421.44/x
  3. Step 3: Cross multiply
    51,118.08x = 76,788.89 × 36,421.44
  4. Step 4: Simplify right side
    51,118.08x = 2,796,761,949.80
  5. Step 5: Solve for x
    x = 2,796,761,949.80/51,118.08
  6. Step 6: Final answer
    x = 54,711.80

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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.