Home / 30,751.87-46,127.85-8,565.31

Finding the Fourth Proportional to 30,751.87, 46,127.85 and 8,565.31

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Solution

The fourth proportional to 30,751.87, 46,127.85 and 8,565.31 is: 12,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751.87 : 46,127.85 = 8,565.31 : x
  2. Step 2: Convert to fraction form
    30,751.87/46,127.85 = 8,565.31/x
  3. Step 3: Cross multiply
    30,751.87x = 46,127.85 × 8,565.31
  4. Step 4: Simplify right side
    30,751.87x = 395,099,334.88
  5. Step 5: Solve for x
    x = 395,099,334.88/30,751.87
  6. Step 6: Final answer
    x = 12,847.98

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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.