Home / 30,976.23-46,466.11-8,787.87

Finding the Fourth Proportional to 30,976.23, 46,466.11 and 8,787.87

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Solution

The fourth proportional to 30,976.23, 46,466.11 and 8,787.87 is: 13,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.23 : 46,466.11 = 8,787.87 : x
  2. Step 2: Convert to fraction form
    30,976.23/46,466.11 = 8,787.87/x
  3. Step 3: Cross multiply
    30,976.23x = 46,466.11 × 8,787.87
  4. Step 4: Simplify right side
    30,976.23x = 408,338,134.09
  5. Step 5: Solve for x
    x = 408,338,134.09/30,976.23
  6. Step 6: Final answer
    x = 13,182.31

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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.