Home / 30,105.48-41,541.87-16,676.01

Finding the Fourth Proportional to 30,105.48, 41,541.87 and 16,676.01

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Solution

The fourth proportional to 30,105.48, 41,541.87 and 16,676.01 is: 23,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,105.48 : 41,541.87 = 16,676.01 : x
  2. Step 2: Convert to fraction form
    30,105.48/41,541.87 = 16,676.01/x
  3. Step 3: Cross multiply
    30,105.48x = 41,541.87 × 16,676.01
  4. Step 4: Simplify right side
    30,105.48x = 692,752,639.54
  5. Step 5: Solve for x
    x = 692,752,639.54/30,105.48
  6. Step 6: Final answer
    x = 23,010.85

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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.