Home / 30,974.23-46,463.11-8,785.87

Finding the Fourth Proportional to 30,974.23, 46,463.11 and 8,785.87

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Solution

The fourth proportional to 30,974.23, 46,463.11 and 8,785.87 is: 13,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974.23 : 46,463.11 = 8,785.87 : x
  2. Step 2: Convert to fraction form
    30,974.23/46,463.11 = 8,785.87/x
  3. Step 3: Cross multiply
    30,974.23x = 46,463.11 × 8,785.87
  4. Step 4: Simplify right side
    30,974.23x = 408,218,730.84
  5. Step 5: Solve for x
    x = 408,218,730.84/30,974.23
  6. Step 6: Final answer
    x = 13,179.30

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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.