Home / 30,722.82-46,080.60-18,080.16

Finding the Fourth Proportional to 30,722.82, 46,080.60 and 18,080.16

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Solution

The fourth proportional to 30,722.82, 46,080.60 and 18,080.16 is: 27,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,722.82 : 46,080.60 = 18,080.16 : x
  2. Step 2: Convert to fraction form
    30,722.82/46,080.60 = 18,080.16/x
  3. Step 3: Cross multiply
    30,722.82x = 46,080.60 × 18,080.16
  4. Step 4: Simplify right side
    30,722.82x = 833,144,620.90
  5. Step 5: Solve for x
    x = 833,144,620.90/30,722.82
  6. Step 6: Final answer
    x = 27,118.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.