Home / 55,107.20-76,045.82-29,956.70

Finding the Fourth Proportional to 55,107.20, 76,045.82 and 29,956.70

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Solution

The fourth proportional to 55,107.20, 76,045.82 and 29,956.70 is: 41,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,107.20 : 76,045.82 = 29,956.70 : x
  2. Step 2: Convert to fraction form
    55,107.20/76,045.82 = 29,956.70/x
  3. Step 3: Cross multiply
    55,107.20x = 76,045.82 × 29,956.70
  4. Step 4: Simplify right side
    55,107.20x = 2,278,081,815.99
  5. Step 5: Solve for x
    x = 2,278,081,815.99/55,107.20
  6. Step 6: Final answer
    x = 41,339.10

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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.