Home / 30,975.92-46,465.65-8,787.56

Finding the Fourth Proportional to 30,975.92, 46,465.65 and 8,787.56

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Solution

The fourth proportional to 30,975.92, 46,465.65 and 8,787.56 is: 13,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975.92 : 46,465.65 = 8,787.56 : x
  2. Step 2: Convert to fraction form
    30,975.92/46,465.65 = 8,787.56/x
  3. Step 3: Cross multiply
    30,975.92x = 46,465.65 × 8,787.56
  4. Step 4: Simplify right side
    30,975.92x = 408,319,454.99
  5. Step 5: Solve for x
    x = 408,319,454.99/30,975.92
  6. Step 6: Final answer
    x = 13,181.84

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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.