Home / 30,976.05-46,465.83-8,787.68

Finding the Fourth Proportional to 30,976.05, 46,465.83 and 8,787.68

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Solution

The fourth proportional to 30,976.05, 46,465.83 and 8,787.68 is: 13,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.05 : 46,465.83 = 8,787.68 : x
  2. Step 2: Convert to fraction form
    30,976.05/46,465.83 = 8,787.68/x
  3. Step 3: Cross multiply
    30,976.05x = 46,465.83 × 8,787.68
  4. Step 4: Simplify right side
    30,976.05x = 408,326,844.97
  5. Step 5: Solve for x
    x = 408,326,844.97/30,976.05
  6. Step 6: Final answer
    x = 13,182.02

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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.