Home / 45,425.12-68,136.96-11,690.88

Finding the Fourth Proportional to 45,425.12, 68,136.96 and 11,690.88

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Solution

The fourth proportional to 45,425.12, 68,136.96 and 11,690.88 is: 17,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,425.12 : 68,136.96 = 11,690.88 : x
  2. Step 2: Convert to fraction form
    45,425.12/68,136.96 = 11,690.88/x
  3. Step 3: Cross multiply
    45,425.12x = 68,136.96 × 11,690.88
  4. Step 4: Simplify right side
    45,425.12x = 796,581,022.92
  5. Step 5: Solve for x
    x = 796,581,022.92/45,425.12
  6. Step 6: Final answer
    x = 17,536.13

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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.