Home / 30,976.30-46,466.21-8,787.93

Finding the Fourth Proportional to 30,976.30, 46,466.21 and 8,787.93

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Solution

The fourth proportional to 30,976.30, 46,466.21 and 8,787.93 is: 13,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.30 : 46,466.21 = 8,787.93 : x
  2. Step 2: Convert to fraction form
    30,976.30/46,466.21 = 8,787.93/x
  3. Step 3: Cross multiply
    30,976.30x = 46,466.21 × 8,787.93
  4. Step 4: Simplify right side
    30,976.30x = 408,341,800.85
  5. Step 5: Solve for x
    x = 408,341,800.85/30,976.30
  6. Step 6: Final answer
    x = 13,182.39

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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.