Home / 30,200.77-41,676.49-16,772.19

Finding the Fourth Proportional to 30,200.77, 41,676.49 and 16,772.19

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Solution

The fourth proportional to 30,200.77, 41,676.49 and 16,772.19 is: 23,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.77 : 41,676.49 = 16,772.19 : x
  2. Step 2: Convert to fraction form
    30,200.77/41,676.49 = 16,772.19/x
  3. Step 3: Cross multiply
    30,200.77x = 41,676.49 × 16,772.19
  4. Step 4: Simplify right side
    30,200.77x = 699,006,008.81
  5. Step 5: Solve for x
    x = 699,006,008.81/30,200.77
  6. Step 6: Final answer
    x = 23,145.30

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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.