Home / 30,181.92-41,652.56-16,754.40

Finding the Fourth Proportional to 30,181.92, 41,652.56 and 16,754.40

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Solution

The fourth proportional to 30,181.92, 41,652.56 and 16,754.40 is: 23,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.92 : 41,652.56 = 16,754.40 : x
  2. Step 2: Convert to fraction form
    30,181.92/41,652.56 = 16,754.40/x
  3. Step 3: Cross multiply
    30,181.92x = 41,652.56 × 16,754.40
  4. Step 4: Simplify right side
    30,181.92x = 697,863,651.26
  5. Step 5: Solve for x
    x = 697,863,651.26/30,181.92
  6. Step 6: Final answer
    x = 23,121.91

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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.