Home / 29,613.12-44,419.68-12,091.20

Finding the Fourth Proportional to 29,613.12, 44,419.68 and 12,091.20

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Solution

The fourth proportional to 29,613.12, 44,419.68 and 12,091.20 is: 18,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,613.12 : 44,419.68 = 12,091.20 : x
  2. Step 2: Convert to fraction form
    29,613.12/44,419.68 = 12,091.20/x
  3. Step 3: Cross multiply
    29,613.12x = 44,419.68 × 12,091.20
  4. Step 4: Simplify right side
    29,613.12x = 537,087,234.82
  5. Step 5: Solve for x
    x = 537,087,234.82/29,613.12
  6. Step 6: Final answer
    x = 18,136.80

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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.