Home / 30,768.96-46,152.84-8,581.80

Finding the Fourth Proportional to 30,768.96, 46,152.84 and 8,581.80

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Solution

The fourth proportional to 30,768.96, 46,152.84 and 8,581.80 is: 12,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768.96 : 46,152.84 = 8,581.80 : x
  2. Step 2: Convert to fraction form
    30,768.96/46,152.84 = 8,581.80/x
  3. Step 3: Cross multiply
    30,768.96x = 46,152.84 × 8,581.80
  4. Step 4: Simplify right side
    30,768.96x = 396,074,442.31
  5. Step 5: Solve for x
    x = 396,074,442.31/30,768.96
  6. Step 6: Final answer
    x = 12,872.53

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1.5x scale

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.