Home / 30,105.73-41,544.08-16,676.20

Finding the Fourth Proportional to 30,105.73, 41,544.08 and 16,676.20

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Solution

The fourth proportional to 30,105.73, 41,544.08 and 16,676.20 is: 23,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,105.73 : 41,544.08 = 16,676.20 : x
  2. Step 2: Convert to fraction form
    30,105.73/41,544.08 = 16,676.20/x
  3. Step 3: Cross multiply
    30,105.73x = 41,544.08 × 16,676.20
  4. Step 4: Simplify right side
    30,105.73x = 692,797,386.90
  5. Step 5: Solve for x
    x = 692,797,386.90/30,105.73
  6. Step 6: Final answer
    x = 23,012.14

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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.