Home / 32,145.12-48,212.24-8,766.16

Finding the Fourth Proportional to 32,145.12, 48,212.24 and 8,766.16

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Solution

The fourth proportional to 32,145.12, 48,212.24 and 8,766.16 is: 13,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,145.12 : 48,212.24 = 8,766.16 : x
  2. Step 2: Convert to fraction form
    32,145.12/48,212.24 = 8,766.16/x
  3. Step 3: Cross multiply
    32,145.12x = 48,212.24 × 8,766.16
  4. Step 4: Simplify right side
    32,145.12x = 422,636,209.80
  5. Step 5: Solve for x
    x = 422,636,209.80/32,145.12
  6. Step 6: Final answer
    x = 13,147.76

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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.