Home / 49,115.86-67,788.08-28,977.73

Finding the Fourth Proportional to 49,115.86, 67,788.08 and 28,977.73

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Solution

The fourth proportional to 49,115.86, 67,788.08 and 28,977.73 is: 39,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,115.86 : 67,788.08 = 28,977.73 : x
  2. Step 2: Convert to fraction form
    49,115.86/67,788.08 = 28,977.73/x
  3. Step 3: Cross multiply
    49,115.86x = 67,788.08 × 28,977.73
  4. Step 4: Simplify right side
    49,115.86x = 1,964,344,679.46
  5. Step 5: Solve for x
    x = 1,964,344,679.46/49,115.86
  6. Step 6: Final answer
    x = 39,994.10

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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.