Home / 30,105.51-41,545.12-16,493.44

Finding the Fourth Proportional to 30,105.51, 41,545.12 and 16,493.44

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Solution

The fourth proportional to 30,105.51, 41,545.12 and 16,493.44 is: 22,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,105.51 : 41,545.12 = 16,493.44 : x
  2. Step 2: Convert to fraction form
    30,105.51/41,545.12 = 16,493.44/x
  3. Step 3: Cross multiply
    30,105.51x = 41,545.12 × 16,493.44
  4. Step 4: Simplify right side
    30,105.51x = 685,221,944.01
  5. Step 5: Solve for x
    x = 685,221,944.01/30,105.51
  6. Step 6: Final answer
    x = 22,760.68

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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.