Home / 30,080.73-41,510.91-16,651.70

Finding the Fourth Proportional to 30,080.73, 41,510.91 and 16,651.70

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Solution

The fourth proportional to 30,080.73, 41,510.91 and 16,651.70 is: 22,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,080.73 : 41,510.91 = 16,651.70 : x
  2. Step 2: Convert to fraction form
    30,080.73/41,510.91 = 16,651.70/x
  3. Step 3: Cross multiply
    30,080.73x = 41,510.91 × 16,651.70
  4. Step 4: Simplify right side
    30,080.73x = 691,227,136.79
  5. Step 5: Solve for x
    x = 691,227,136.79/30,080.73
  6. Step 6: Final answer
    x = 22,979.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.