Home / 30,975.70-46,465.32-8,787.33

Finding the Fourth Proportional to 30,975.70, 46,465.32 and 8,787.33

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Solution

The fourth proportional to 30,975.70, 46,465.32 and 8,787.33 is: 13,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975.70 : 46,465.32 = 8,787.33 : x
  2. Step 2: Convert to fraction form
    30,975.70/46,465.32 = 8,787.33/x
  3. Step 3: Cross multiply
    30,975.70x = 46,465.32 × 8,787.33
  4. Step 4: Simplify right side
    30,975.70x = 408,306,100.40
  5. Step 5: Solve for x
    x = 408,306,100.40/30,975.70
  6. Step 6: Final answer
    x = 13,181.50

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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.